Project Euler Solutions

What is Project Euler?

Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve. Although mathematics will help you arrive at elegant and efficient methods, the use of a computer and programming skills will be required to solve most problems.

Read more about Project Euler at https://projecteuler.net.

Solutions

Here are my solutions to some of these problems.

N°	Problem	Solution
1	Multiples of 3 and 5	Problem001
2	Even Fibonacci numbers	Problem002
3	Largest prime factor	Problem003
4	Largest palindrome product	Problem004
5	Smallest multiple	Problem005
6	Sum square difference	Problem006
7	10001st prime	Problem007
8	Largest product in a series	Problem008
9	Special Pythagorean triplet	Problem009
10	Summation of primes	Problem010
11	Largest product in a grid	Problem011
12	Highly divisible triangular number	Problem012
13	Large sum	Problem013
14	Longest Collatz sequence	Problem014
15	Lattice paths	Problem015
16	Power digit sum	Problem016
17	Number letter counts	Problem017
18	Maximum path sum I
19	Counting Sundays	Problem019
20	Factorial digit sum	Problem020
21	Amicable numbers
22	Names scores
23	Non-abundant sums
24	Lexicographic permutations	Problem024
25	1000-digit Fibonacci number	Problem025
26	Reciprocal cycles
27	Quadratic primes	Problem027
28	Number spiral diagonals
29	Distinct powers
30	Digit fifth powers