A complete, proof-of-concept, C# implementation of the General Number Field Sieve algorithm for factoring very large semi-prime numbers. The focus was on readability and understandability of the code, not performance.

A Java math library focused on number theory and integer factorization in particular.

Pure C general-purpose integer factorization software released into the public domain, Quadratic Sieve.

R Package for Factoring Big Integers using the C Library GMP (GNU Multiple Precision Arithmetic)

A collection of Integer factorization algorithms

A collection of notes on mathematical Cryptography, ranging from classical methods through contemporary.

EPR: A Factoring and Primality checking library for C

Very large integer factorization implemented in Python

Implementation of batch smoothness checking and factorization for Coppersmith's factorization factory.

A Practical Study and Comparison of Integer Factorization Methods

The Pollard's Rho algorithm for 64/128 bits Integer Factorization in pure C.

Prime decomposition of Kaprekar numbers (up to 29 digits)

A simple Python script used to sets of three integer factors that are different and have a common product. Created for a grade 8 mathematics problem.

素数判定法と素因数分解アルゴリズムに関する教科書(pythonコード付き)

A project that finds the two prime factors of a public key.

C port of DiffIntFactorTriplet. Much faster.

DJB's batch GCD algorithm for fast factoring sequences of integers

Genetic algorithm for integer factorization w/ CUDA support.