Project Euler solutions for problems 10 through 50

By Mike Molony ⋅ March 30, 2009 ⋅ 7 comments

Find the sum of all the numbers that can be written as the sum of fifth powers of their digits.

By Mike Molony ⋅ March 31, 2009 ⋅ 7 comments

Investigating combinations of English currency denominations.

By Mike Molony ⋅ April 22, 2009 ⋅ 7 comments

Find the sum of all 1-9 pandigital numbers that is composed of two factors and their product.

By Mike Molony ⋅ April 22, 2009 ⋅ 8 comments

Discover all the fractions with an unorthodox cancelling method.

By Mike Molony ⋅ April 8, 2009 ⋅ One comment

Find the sum of all numbers which are equal to the sum of the factorial of their digits.

By Mike Molony ⋅ April 8, 2009 ⋅ 3 comments

How many circular primes are there below one million?

By Mike Molony ⋅ March 29, 2009 ⋅ Post a comment

Find the sum of all numbers less than one million, which are palindromic in both base 10 and base 2.

By Mike Molony ⋅ April 23, 2009 ⋅ 10 comments

Find the sum of all eleven primes that are truncatable from both left to right and right to left.

By Mike Molony ⋅ March 26, 2009 ⋅ 3 comments

What is the largest 1 to 9 pandigital that can be formed by multiplying a fixed number by 1, 2, 3, … ?

By Mike Molony ⋅ April 22, 2009 ⋅ 7 comments

Find the value of p ≤ 1000 which produces the most integer right triangles.

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