ProjectEuler This repository is for my attempts and successes at completing the problems at ProjectEuler.net Current Completion # Name Complete 1 Multiples of 3 and 5 Yes 2 Even Fibonacci numbers Yes 3 Largest prime factor Yes 4 Largest palindrome product Yes 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 Yes 13 Large sum Yes 14 Longest Collatz sequence Yes 15 Lattice paths Yes 16 Power digit sum Yes 17 Number letter counts Yes 18 Maximum path sum I Yes 19 Counting Sundays Yes 20 Factorial digit sum Yes 21 Amicable numbers Yes 22 Names scores Yes 23 Non-abundant sums Yes 24 Lexicographic permutations Yes 25 1000-digit Fibonacci number Yes 26 Reciprocal cycles Yes 27 Quadratic primes Yes 28 Number spiral diagonals Yes 29 Distinct powers No 30 Digit fifth powers Yes 31 Coin sums Yes 32 Pandigital products No 33 Digit cancelling fractions No 34 Digit factorials No 35 Circular primes No 36 Double-base palindromes No 37 Truncatable primes No 38 Pandigital multiples No 39 Integer right triangles No 40 Champernowne's constant No 41 Pandigital prime No 42 Coded triangle numbers No 43 Sub-string divisibility No 44 Pentagon numbers No 45 Triangular, pentagonal, and hexagonal No 46 Goldbach's other conjecture No 47 Distinct primes factors No 48 Self powers No 49 Prime permutations No 50 Consecutive prime sum No As I complete more I will update the table