The Lenstra elliptic curve factorization method is quite interesting: https://en.wikipedia.org/wiki/Lenstra_elliptic_curve_factorization https://en.wikipedia.o

The Lenstra elliptic curve factorization method is quite interesting: https://en.wikipedia.org/wiki/Lenstra_elliptic_curve_factorization https://en.wikipedia.org/wiki/Lenstra_elliptic_curve_factori...