Great Internet Mersenne Prime Search (GIMPS)

Prime95, also distributed as a command-line utility mprime under FreeBSD and Linux, is a freeware application written by George Woltman. It is used by Great Internet Mersenne Prime Search (GIMPS), a distributed computing project dedicated to Mersenne prime hunting. In overclocking circles, its also commonly used for stability testing.

This repo is a mirror to Free Mersenne Prime Search Software source code for Windows, Linux, FreeBSD, and Mac OS X.

You could download the latest code from GIMPS or release page.

Mirror rank from PrimeNet Top Overall Teams

Top producers for the last year.
This hourly report generated 2026-04-09 12:00 UTC

Rank	Team Name	Total GHz Days	90 day	30 day	7 day	1 day	TF	P-1	LL/PRP	DC	ECM	ECM-F
1	GIMPS.Russia	839698087					0.3		0.1		99.7
2	Slovakia	770702487					0.1	98.6	0.1		1.2
3	PrimeNet	337624316		⬆ 1			0.1	97.4	0.3	0.4	1.9
4	POLAND	222450080		⬇ 1			0.5	97.8	0.3	0.1	1.4
5	-Too many Ones-	160879453					0.1	90.7			9.2
6	Ars Technica Team Prime Rib	104691862						99.0		0.9
7	unRAID	33441006						99.7	0.3
8	GIMPSChina	21908218					71.4	19.6	4.0	0.6	4.4
9	One Man Team	13941353		⬆ 1	⬆ 1			99.5	0.5
10	GW's legions	12961576	⬆ 1	⬆ 1	⬆ 1		0.1	0.8	32.8	1.2	65.1
11	Team-Deutschland	12940861	⬆ 1	⬆ 2	⬆ 1		2.9	26.3	0.4	0.1	70.2
12	UCM-curtisc	11831930	⬆ 1		⬆ 1				99.3	0.7
13	More Power!!!	11315846	⬇ 3	⬇ 4	⬇ 4		17.1	70.7	2.4	1.4	8.4
14	szerverem.hu	10577580	⬆ 3	⬆ 1			4.0	30.1	58.0	3.5	4.3
15	TeamUK	7573410	⬇ 1	⬇ 1			43.2	3.9	18.0	1.3	33.4	0.1
16	Porta Kruse	6414535	⬇ 1				2.0	0.3			91.4	6.1
17	GPU to 72	4665956	⬇ 1				53.3	26.7	0.5	3.9	15.5
18	Numberphile	2782369	⬆ 1	⬆ 1			25.6	43.8	23.0	6.6	0.8
19	SpongeBob SquarePants	2699545	⬇ 1	⬇ 1				31.1	59.5	9.4
20	tsc	2408529	⬆ 1				83.0	5.1	1.5	0.3	10.1
21	UW Eau Claire	2212512	⬆ 38	⬆ 3			87.2		9.5	3.3
22	UKRAINE	2116499		⬇ 1			23.3	12.8	47.1	16.7
23	Wikipedia	2036242		⬇ 1			60.1	32.7	4.1	2.1	0.8
24	Dutch Power Cows	1631277	⬇ 4	⬇ 1			31.0	27.6	1.4	1.5	38.4
25	GIMPS.USA	1484762		⬆ 1			9.0	0.5	4.7	1.5	84.1
26	GIMPS.Japan	1371596		⬆ 1	⬆ 1		5.5		9.1	2.3	83.1
27	Swedes Of Primes	1350307	⬇ 3	⬇ 2	⬇ 1		0.5	81.8	15.0	2.7
28	GIMPS.Occitania	1210157	⬇ 1					4.4				95.6
29	GIMPS.Korea	854272	⬆ 6	⬆ 1			89.3	4.7	4.9	0.9	0.1
30	MBAi.Cloud	749815		⬇ 1					99.9	0.1
31	MATHSareREAL	634925	⬇ 3				95.8		3.0	1.2
32	citizenscience.ru	547895		⬆ 1	⬆ 1	⬆ 1	88.4	3.7	3.5	1.0	2.9	0.5
33	MOXA	545945	⬇ 4	⬇ 1	⬇ 1	⬇ 1	99.0		0.7	0.3
34	Buhr	452050		⬆ 2	⬆ 1		57.2	3.7	18.9	5.8	14.4
35	Rechenkraft.net	437250	⬇ 4	⬇ 1	⬇ 1		3.8	55.9	3.7	5.4	30.5	0.6
36	Terry Kim Team	427206	⬇ 3	⬇ 1			97.2		1.9	0.6
37	S485122	307998						95.0		5.0
38	Smoke-it	265850	⬇ 2				90.5	7.1	1.8
39	Colorado School of Mines	243601	⬆ 34	⬆ 8			92.4		5.8	1.8
40	randomteam	208173	⬆ 3	⬆ 1							100.0
41	YahsTeam	207233	⬇ 2	⬇ 2	⬆ 1		89.4		8.7	1.8
42	NerdyGirls	202723			⬆ 1	⬆ 1		42.3	7.2	50.5
43	GIMPS Team Philippines	202594	⬆ 2		⬇ 2	⬇ 1	67.6		5.0	1.8	23.2
44	nranks	196734	⬆ 2	⬇ 4			36.6	0.6	3.6	0.4	58.8
45	Canada	189829	⬇ 5					2.7	65.8	31.0
46	Team Tartan	184873	⬇ 5		⬆ 1				76.6	23.4
47	Argentina	182693	⬆ 187	⬆ 55	⬆ 15	⬆ 1	44.7		55.3
48	404 - "Primes not Found"	179274	⬆ 14	⬇ 4	⬇ 2	⬇ 1	83.7		16.3
49	OverclockerAustralia	150206	⬇ 2		⬇ 1		58.5		20.8	17.2
50	GIMPS.NZ	123585	⬇ 1	⬆ 2	⬆ 3	⬆ 1	78.5		10.7	10.8
51	GIMPS China	123545	⬇ 13	⬇ 3	⬇ 2	⬇ 1	91.6		4.1	0.2	3.8
52	BitMEX Research	122685	⬇ 8	⬇ 2	⬇ 2				95.0	5.0
53	Team China	122015	⬇ 3	⬇ 2	⬇ 2	⬆ 1			99.7	0.3
54	Unicamp	121663	⬆ 2	⬇ 1	⬇ 2	⬇ 1	71.2	0.1	24.0	4.7
55	SASAKI	111018	⬇ 3	⬇ 1	⬇ 1		100.0
56	GIMPS.France	108454	⬆ 11	⬆ 2	⬇ 1		10.3	62.7	3.6	10.4	12.7
57	EgyptianPolymaths	99939	⬇ 2	⬇ 2	⬇ 1			43.2			50.4
58	Wisconsin	97907	⬇ 5	⬇ 2	⬇ 1		47.8		27.9	24.2
59	NanJing Tech	95944	⬆ 52	⬆ 29	⬆ 1		29.7		64.0	6.3
60	Cap'n Entropy's Cavalcade of Wonderment	94672	⬇ 12	⬇ 3	⬇ 2		74.8	6.0	17.0	2.2
61	SHADO	83763	⬇ 3	⬇ 2	⬇ 2				64.0	17.4	10.9	2.0
62	UIUC	82007	⬆ 4	⬇ 1	⬇ 1				69.5	30.5
63	AMD Users	79843	⬆ 7	⬆ 1			58.4	0.7	11.9	28.4	0.5
64	Net-Work	76285	⬇ 3	⬇ 2			3.6	1.8			86.3
65	Eratosthenes Sieve	72975	⬇ 2	⬇ 2			0.8		95.3	3.9
66	Esperanto	70144	⬇ 1	⬇ 1				25.0	9.0	65.9	0.2
67	Hungary	69294	⬇ 10	⬇ 7			0.5		2.4	1.8	94.9
68	IOTA	68180	⬆ 166	⬆ 10	⬆ 2		95.1		2.5	2.4
69	AJ	64716	⬆ 5	⬇ 3	⬇ 1				75.8	24.2
70	Wile E. Coyote	63980	⬆ 9	⬆ 3	⬇ 1				76.9	1.7	21.4
71	ParadoxZ Commando	60377		⬇ 1	⬆ 1				73.0	27.0
72	Team_Italia	59971		⬇ 3	⬇ 1		2.7		70.5	20.5	2.1	3.5
73	Team Israel	58297	⬇ 4	⬇ 6			96.6		2.0	1.3
74	S147127	57798	⬆ 2				27.3		14.2	58.5
75	Brno University of Technology	53722	⬇ 11	⬇ 3				19.2	64.3	16.5
76	GIMPS.NEO	52424	⬇ 8	⬇ 8					76.8	23.2
77	ComputerraRU	52335	⬇ 2	⬇ 1			19.7		71.3	9.0
78	Team Belgium	49556	⬇ 1	⬇ 3			1.1	8.1	34.6	15.8	40.4
79	LTT fans	43050	⬇ 19	⬇ 8			32.1		3.6	0.5	63.8
80	Team Viet Nam	42563	⬇ 2	⬇ 1			28.7		31.3	29.1	10.9
81	HardOCP	38033	⬆ 6	⬆ 2					75.3	24.7
82	Debian	36429	⬆ 7	⬆ 2	⬆ 3				98.5	1.5
83	Turku	36285	⬆ 54	⬆ 2					100.0
84	Team H	35775		⬇ 3	⬇ 2		11.9	0.2	87.3	0.5
85	huskers-gimps	34550	⬆ 3	⬆ 2	⬆ 1				72.9	27.1
86	Team Austria	32283	⬇ 5	⬇ 6	⬇ 2		94.1	0.6	5.3
87	Hermessz	32227	⬇ 2	⬇ 5			63.7		36.3
88	socal_prime	29106	⬇ 5	⬆ 1					69.6	30.2	0.1
89	Small-Team-2000	28840	⬇ 3	⬆ 2	⬆ 1				10.9	89.1
90	VIPR	28835	⬆ 28	⬆ 4	⬆ 2	⬆ 1	67.0		21.9	11.1
91	ᕙ(⇀‸↼‶)ᕗ	28773	⬆ 22	⬆ 1		⬇ 1	0.7		98.9	0.4
92	MES-Team	27521	⬇ 12	⬇ 6	⬇ 3		70.6	7.7		21.7
93	Channel 4	24825	⬆ 9						82.9	17.1
94	The Fellowship of Infinity	24192	⬆ 7	⬆ 1	⬆ 1				99.5	0.5
95	Costa Rica	23392	⬇ 4	⬆ 1	⬆ 1				72.9	26.7
96	LimePrime	22702	⬇ 14	⬇ 6	⬇ 2			6.2	85.7	8.1
97	MurrayInfoSys	20412	⬆ 13	⬆ 4					65.8	34.1
98	Team Retired	19580	⬇ 4	⬇ 1					28.0	10.9
99	PrimitiveRootsCircle	18812	⬆ 1				22.5		50.4	24.5	2.6
100	A Single Engineer	18069	⬇ 2	⬆ 3					72.9	27.1
101	SpartaAlumni	16824	⬇ 2	⬆ 4					69.4	30.6
102	Ozzie Prime	16135	⬇ 7	⬇ 2				4.0	43.7	15.1		37.2
103	Team Norway	14924	⬇ 10	⬆ 3	⬆ 1		80.6			5.1	14.2
104	Spain	14918	⬇ 8	⬆ 6	⬆ 1				62.8	37.2
105	GIMPS.Portugal	14450	⬆ 2	⬆ 6	⬆ 1		0.1	72.4		27.5
106	SETI.Germany	14419	⬆ 10	⬆ 6	⬆ 2			6.6	22.0	71.4
107	Nerdfighters for Mersenne Primes	14254	⬇ 2	⬆ 2	⬇ 4				87.3	12.7
108	NUST	14223	⬆ 28	⬆ 5	⬆ 1		16.4	74.6	5.9	3.0
109	Georgia Tech	13974	⬇ 58	⬇ 32	⬆ 1				100.0
110	Portland State University	13899	⬇ 18	⬇ 6	⬆ 1			32.8	51.8	15.4
111	Quantus	13680	⬇ 14	⬇ 3	⬇ 4		8.9		17.2	27.8		46.2
112	Team Finland	13662	⬇ 58	⬇ 14			1.0		97.0		2.0
113	Aiblspitz	12594	⬆ 20	⬆ 15	⬆ 3	⬆ 1	1.3	74.6	12.5	10.3	1.3
114	moeses	12587	⬇ 5	⬆ 1	⬆ 1	⬇ 1			99.1	0.9
115	Mensa	12177	⬆ 2	⬆ 4	⬇ 2				77.4	22.6
116	Team Slovenia	11901	⬇ 13		⬇ 2				71.8	28.2
117	Com Systems (RU)	11603	⬆ 25	⬆ 10	⬆ 1				67.2	32.8
118	MadPoo	11152	⬇ 28	⬇ 11	⬇ 1			42.1		57.9
119	Politeknik Banting, Selangor	11028	⬇ 13	⬇ 1			90.3		7.2	2.6
120	GIMPS.Taiwan	10858	⬇ 16	⬇ 6					87.6	11.9	0.1
121	FREE ROBUX	10852	⬇ 2	⬆ 1					100.0
122	Royal Military College of Canada	10691	⬇ 1	⬆ 1	⬆ 1		89.7		7.9	2.4
123	Granada	10586	⬇ 15	⬇ 6	⬇ 1		31.8		14.8	52.7
124	Syntony	9690	⬆ 2	⬆ 6	⬆ 2					100.0
125	TurkishMath	9477	⬆ 3	⬆ 14	⬆ 5				83.7	16.3
126	RobotechResearch	9444	⬆ 56	⬆ 6	⬆ 1				42.6	57.4
127	JiBoTeam	9351		⬆ 8	⬆ 2					100.0
128	Shaffer's Studio	8908	⬆ 1	⬆ 5	⬇ 3				87.2	12.7
129	Hyperion	8547	⬇ 17	⬇ 8	⬆ 2					25.9
130	Die Zeitfinder	8483	⬇ 10	⬆ 1	⬇ 2				90.9	9.1
131	FreeBSD	8297	⬇ 8	⬇ 7	⬆ 1	⬆ 1	0.6		76.0	23.5
132	MES22-Team	8136	⬇ 18	⬇ 6	⬆ 1	⬆ 1	100.0
133	Abacus	7919	⬇ 11	⬇ 13	⬆ 1	⬆ 1			98.9	1.1
134	Triangle	7837	⬇ 9		⬆ 1	⬆ 1			99.1	0.9
135	Team Splunk	7605	⬇ 1	⬆ 2	⬆ 1	⬆ 1		28.1	71.9
136	Server66	7597	⬇ 6	⬇ 11	⬇ 12	⬇ 5	100.0
137	University of Waterloo	7461	⬆ 4	⬆ 1					100.0
138	GIMPS Romania	7420	⬆ 8	⬆ 7	⬆ 8	⬆ 1	32.4		64.1	3.5
139	math.auth.gr	7363	⬆ 68	⬆ 46	⬆ 46	⬇ 1			92.9	7.1
140	Prime Rib	7330	⬇ 1	⬆ 2		⬆ 2			97.0	3.0
141	irowiki	6992	⬇ 9	⬇ 5	⬇ 3	⬇ 1				100.0
142	Brasil	6680	⬇ 7	⬇ 1	⬇ 3	⬇ 1			81.8	18.1
143	SU Prime Pirates	6437	⬇ 3		⬇ 2				61.5	38.5
144	Team Christensen	5980			⬇ 2					100.0
145	Elisabeth-von-Thadden-Schule	5757	⬇ 2	⬆ 1	⬇ 1				40.3	59.7
146	youngfun429	5662	⬇ 31	⬇ 17	⬇ 3				54.5	45.5
147	teamMALI	5162	⬇ 2			⬆ 1			75.5	24.5
148	Furry Primes	5161	⬇ 17	⬇ 8	⬇ 3	⬇ 1	78.0			22.0
149	nmbarek_team	4953	⬇ 25	⬆ 1	⬇ 1				99.8	0.2
150	Hong Kong GIMP	4912	⬆ 4	⬆ 1	⬇ 1				63.7	36.3
151	Crunching@EVGA	4888	⬆ 30	⬆ 4	⬆ 3				99.7	0.3
152	The_Dude_Abides	4880	⬇ 2	⬇ 3	⬇ 2		36.6			54.5
153	Danpi for GIMPS	4710			⬇ 2		100.0
154	FactorMania	4371	⬆ 26	⬆ 5	⬆ 2			54.8			45.2
155	zeit	4272	⬇ 6	⬇ 3	⬇ 3		1.8			98.2
156	México mágico	4207	⬆ 17	⬇ 2	⬇ 3				75.3	24.7
157	Olympic College	4079	⬆ 2	⬇ 1	⬇ 2					100.0
158	Noam Karni Team	3962	⬆ 14	⬆ 3	⬇ 1				79.7	20.3
159	GIMPS.Hong Kong	3644	⬇ 1	⬆ 4			2.2		65.3	32.5
160	Korea.Prime	3637	⬆ 10						64.6	35.4
161	Kabylie	3507	⬇ 4	⬇ 4	⬇ 3		15.2	4.6	44.4	35.7
162	Team_Brazil	2999	⬆ 3	⬆ 2			83.1	0.2		16.7
163	3DCenter.org	2833	⬇ 12	⬇ 5							100.0
164	Phi Kappa Theta	2820	⬇ 2	⬆ 1					56.0	44.0
165	KnightLight	2786	⬆ 48	⬆ 41	⬆ 39					99.9
166	WSU Cougars	2735	⬇ 28	⬇ 18	⬇ 5				56.1	43.8
167	I Love Canadian Natural Resources	2507	⬇ 6	⬇ 1	⬇ 2					100.0
168	Pi Rho	2499	⬆ 66	⬇ 1	⬇ 2				67.1	32.9
169	GIMPSMalaysia	2394	⬆ 20	⬇ 1	⬇ 2				66.8	33.2
170	VRS_SE	2361	⬇ 1	⬇ 1	⬇ 2				66.8	33.2
171	Saudi Primes	2268			⬇ 2					100.0
172	GIMPS_KS	2199	⬆ 32		⬇ 2				36.5	62.0	1.4
173	Obsidian	2082	⬆ 4	⬆ 4	⬇ 2					100.0
174	Arpan Sen Labs	2059	⬆ 60	⬆ 27	⬇ 1				20.5	79.5
175	Subprime Searches	2002	⬇ 9	⬇ 1	⬇ 1	⬆ 1	87.2			12.8
176	The Prime Pioneers	1958	⬆ 12	⬇ 3	⬇ 1	⬆ 1	1.2	98.8
177	The Pensis	1869	⬇ 3	⬇ 2	⬇ 1	⬆ 1				100.0
178	GIMPS_IOM	1712		⬆ 1		⬆ 1	100.0
179	YESHUA IS THE MESSIAH	1643	⬆ 55	⬆ 47	⬆ 42	⬆ 1			100.0
180	F=dp/dt	1593	⬇ 4	⬇ 4	⬇ 3	⬆ 1			99.3	0.6
181	San Francisco	1586	⬆ 2	⬇ 1	⬇ 2	⬆ 1			100.0
182	ANDY	1582	⬇ 27	⬇ 1	⬇ 2	⬆ 1			98.8	1.2
183	TunisianTeam	1561	⬇ 23	⬇ 13	⬇ 11	⬇ 8			49.6	50.4
184	cr_colorado	1549	⬆ 13	⬇ 2	⬇ 3					100.0
185	International School of Beijing (ISB)	1544	⬇ 38	⬇ 23	⬇ 3				99.3	0.7
186	Zorin OS Crew	1470	⬇ 22	⬇ 8	⬇ 3				52.5	47.5
187	CZAsTc	1448	⬆ 45	⬇ 4	⬇ 3				99.6	0.4
188	Morocco	1338	⬆ 28	⬆ 2	⬇ 1					100.0
189	Czech National Team	1182	⬆ 12	⬇ 1	⬇ 3		3.2		70.1	24.2	1.5
190	Byberg Nordic Prime	1047	⬆ 4	⬆ 6	⬆ 6				74.6	25.4
191	His Dark Materials	1034	⬇ 16	⬇ 5	⬇ 3					42.2	57.7
192	Therian Primes	1007	⬆ 42	⬇ 1	⬇ 3			14.6		52.4	33.0
193	TimE4This	876	⬇ 8	⬇ 6	⬇ 3					100.0
194	Optimists Prime	860	⬇ 46	⬇ 10	⬇ 3			100.0
195	AWC	801	⬆ 39	⬇ 2	⬇ 2				100.0
196	GIMPS Asturias	794	⬇ 4	⬇ 2	⬇ 2				99.6	0.4
197	Weatopians	793	⬇ 4	⬇ 2	⬇ 2				99.7	0.3
198	hreid	776	⬇ 3	⬇ 1	⬇ 1				100.0
199	alan145	755	⬇ 32	⬇ 10	⬇ 7		99.4			0.6
200	Join Us 😈	708	⬆ 8	⬇ 1	⬇ 2		100.0
201	SGDynamo Dresden	580	⬆ 1	⬇ 1	⬇ 2		100.0
202	PrimeObsession	539	⬆ 4		⬇ 2					100.0
203	London Computation Club	478	⬆ 7		⬇ 2					100.0
204	Team Dominik Radler	351	⬆ 7		⬇ 2		100.0
205	/r/counting	337	⬆ 20		⬇ 2
206	Yurunago	276	⬆ 28	⬆ 1	⬇ 1					100.0
207	Vegan	275	⬆ 27	⬆ 19	⬆ 14					100.0
208	www.Adamek.biz	265	⬆ 7		⬇ 2					100.0
209	Math Teachers of the World	259	⬆ 8		⬇ 2				100.0
210	GIMPS Hams	253	⬆ 8		⬇ 2			100.0
211	DividerHunt	221	⬆ 11		⬇ 2		100.0
212	Manri Costa Rica	213	⬇ 21	⬆ 1	⬇ 2					100.0
213	30thousandwon	193	⬆ 11	⬆ 1	⬇ 2					100.0
214	Team Bulgaria	163	⬇ 11	⬆ 1	⬇ 2						99.9
215	miiro	150	⬆ 19	⬆ 1	⬇ 2		100.0
216	GIMPS.Peace	122	⬆ 10	⬆ 1	⬇ 2		44.7	55.3
217	TeamUbuntu	121	⬆ 10	⬆ 1	⬇ 2					100.0
218	sannerud.com	108	⬆ 13	⬆ 1	⬇ 2		43.1				19.4	37.5
219	PROMYS	23	⬆ 10	⬆ 2	⬇ 2						100.0
220	PARG team	21	⬆ 14	⬆ 2	⬇ 2						100.0
221	yfinder	1	⬆ 2	⬆ 4	⬇ 1					100.0