[Resource Topic] 2024/1722: Revisiting Fermat's Factorization Method

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Title:
Revisiting Fermat’s Factorization Method

Authors: Gajraj Kuldeep, Rune Hylsberg Jacobsen

Abstract:

This paper addresses the problem of factoring composite numbers by introducing a novel approach to represent their prime divisors. We develop a method to efficiently identify smaller divisors based on the difference between the primes involved in forming the composite number. Building on these insights, we propose an algorithm that significantly reduces the computational complexity of factoring, requiring half as many iterations as traditional quadratic residue-based methods. The presented algorithm offers a more efficient solution for factoring composite numbers, with potential applications in fields such as cryptography and computational number theory.

ePrint: https://eprint.iacr.org/2024/1722

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