Factor Info

ID 191618
Size 509 digits / 1691 bits
Status composite
Value 68572370028596528935941643401800283656090022157167560657016348389946857883483011754742450177895685312870456938489769871681675992465600891433136699301543682842009666599840438936613795335940892319302674573251543920327079588115499331408192556211353805209910309261862255429956935028673372616686792877456017439121929850189674084022084600900488514696029397773710193181763409726542277436703980090573852795731965479354070514667486487944879530615310121834811159112436026751168949922569984373751104566083251600721983171

Factorizations

Primary (ID: 191284) 42874454069838926752096360966119432413847973773579144517884738168843512041630684462005624604887927820871 (proven prime)
(ID: 191619) 1599375934137792873645146203241390299704035024877574443962491961925528678442281598594594677120511418035820735215622824788488740657026059079600310793300699668715556661609104543813157607876818664154086803833675382259057698975410346628332614678983201552817202993937194235598565946196468435417439784147811829395649089468660484962749884838632978876709522983578719108272927895862162585506298848280486560727931301 (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.