| # | Title | Solution Found | Edit |
|---|---|---|---|
| 1 | Multiples of 3 or 5 | Yes | |
| 2 | Even Fibonacci numbers | Yes | |
| 3 | Largest prime factor | Yes | |
| 4 | Largest palindrome product | No | |
| 5 | Smallest multiple | Yes | |
| 6 | Sum square difference | Yes | |
| 7 | 10001st prime | Yes | |
| 8 | Largest product in a series | Yes | |
| 9 | Special Pythagorean triplet | Yes | |
| 10 | Summation of primes | Yes | |
| 11 | Largest product in a grid | Yes | |
| 12 | Highly divisible triangular number | No | |
| 13 | Large sum | No | |
| 14 | Longest Collatz sequence | No | |
| 15 | Lattice paths | No | |
| 16 | Power Digit Sum | No |