Factor Info

ID 51665
Size 566 digits / 1880 bits
Status composite
Value 72728695540073422984611862046358920838923008097082196619855204668439128489306741425393402914047605656741715252337942174708033305668397507702156004401608329832555902749929303264110324551447983318455271774676309981741619655585917295648222681518117455553153629976895187107501371429648867114335864627894793646228686268404915624216343216393824111969581003668430772999318287890728656702481145840030232999713785116068311541670759205089005946908460646121657350685415391028506354556473673004187760099973423623244959334746976030304880202793793071209582613192919416629738638161

Factorizations

Primary (ID: 50259) 75144689824702198592013444969850173811994737 (proven prime)
(ID: 74880) 967848768951408067252923089098016920394783324513620097361959851118677553679805953534556306957284798521998951590552297719127081768070065225114979510687721982351667083741935743181292651123219988496453509933591097361405856607561640141764154026041160253907261276120395565201970424267733158684740470387679428587682417170968334611545428795615197773465367634217926732719077087170715896925358242559268864989062305234942939382081503837701430247066203937102730936766480970339622978132375637942548526814230430775157878852188261808353 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.