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Project Euler Solutions

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Project Euler Problem 77 Solution

By Mike ⋅ June 8, 2009 ⋅ Post a comment

What is the first value which can be written as the sum of primes in over five thousand different ways?

Project Euler Problem 49 Solution

By Mike ⋅ June 5, 2009 ⋅ Post a comment

Find arithmetic sequences, made of prime terms, whose four digits are permutations of each other.

Project Euler Problem 47 Solution

By Mike ⋅ June 5, 2009 ⋅ Post a comment

Find the first four consecutive integers to have four distinct primes factors.

Project Euler Problem 104 Solution

By Mike ⋅ June 4, 2009 ⋅ One comment

Finding Fibonacci numbers for which the first and last nine digits are pandigital.

Project Euler Problem 99 Solution

By Mike ⋅ May 28, 2009 ⋅ Post a comment

Which base/exponent pair in the file has the greatest numerical value?

Project Euler Problem 59 Solution

By Mike ⋅ May 28, 2009 ⋅ One comment

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

Project Euler Problem 46 Solution

By Mike ⋅ May 28, 2009 ⋅ Post a comment

What is the smallest odd composite that cannot be written as the sum of a prime and twice a square?

Project Euler Problem 135 Solution

By Mike ⋅ May 27, 2009 ⋅ Post a comment

Determining the number of solutions of the equation x**2 − y**2 − z**2 = n.

Project Euler Problem 100 Solution

By Mike ⋅ May 27, 2009 ⋅ 3 comments

Finding the number of blue discs for which there is 50% chance of taking two blue.

Project Euler Problem 51 Solution