| # | Name | Solution | Test |
|---|---|---|---|
| 1 | Multiples of 3 and 5 | ✅💾 | ✅💾 |
| 2 | Even Fibonacci numbers | ✅💾 | ✅💾 |
| 3 | Largest prime factor | ✅💾 | ✅💾 |
| 4 | Largest palindrome product | ✅💾 | ✅💾 |
| 5 | Smallest multiple | ✅💾 | ✅💾 |
| 6 | Sum square difference | ✅💾 | ✅💾 |
| 7 | 10001st prime | ✅💾 | ✅💾 |
| 8 | Largest product in a series | ✅💾 | ✅💾 |
| 9 | Special Pythagorean triplet | ✅💾 | ✅💾 |
| 10 | Summation of primes | ✅💾 | ✅💾 |
| 11 | Largest Product in a Grid | ✅💾 | ✅💾 |
| 12 | Highly divisible triangular number | ✅💾 | ✅💾 |
| 13 | Large Sum | ✅💾 | ✅💾 |
| 14 | Longest Collatz sequence | ✅💾 | ✅💾 |
| 16 | Power Digit Sum | ✅💾 | ✅💾 |
| 27 | Quadratic primes | ✅💾 | ✅💾 |
| 29 | Distinct powers | ✅💾 | ✅💾 |
| # | Name | Solution | Test |
|---|---|---|---|
| 54 | Poker hands | ✅💾 | ✅💾 |