// archives

Solutions 51 – 100

This category contains 50 posts

Project Euler 51 Solution

Find the smallest prime which, by replacing part of the number with the same digit, is part of an eight prime value set.

Project Euler 52 Solution

Find the smallest positive integer, x, such that 2x, 3x, 4x, 5x, and 6x, contain the same digits in some order.

Project Euler 53 Solution

Count the values of C(n,r), for 1 ≤ n ≤ 100, that exceed one-million.

Project Euler 54 Solution

Compare hands in a game of poker and determine a winner

Project Euler 55 Solution

Find how many Lychrel numbers are there below ten-thousand.

Project Euler 56 Solution

Considering natural numbers of the form, a^b, find the maximum digital sum.

Project Euler 57 Solution

Investigate the expansion of the continued fraction for the square root of two.

Project Euler 58 Solution

Counting primes that lie on the diagonals of the spiral grid.

Project Euler 59 Solution

Using a brute force attack, decrypt the cipher using XOR encryption

Project Euler 60 Solution

Find a set of five primes for which any two primes concatenate to produce another prime.