Factor Info

ID 157438
Size 640 digits / 2125 bits
Status composite
Value 3132823880202936537456233231224782610000891009169764527455359871988447290090821175320395298121717112348082374577137843001933316034449286336879113623155716549115328169716659139534242130095127741485576682746727673012183478169243107666339668012927767835361576857247169662588329357547288128670742784966896618347543080157341964262962266700851346833089992519998105785466277527907631471293390463865660007062598001905257315573696620942814201386818879700785375099918011264140040057076793208273871022133621338404629150096752443218361775064290179144196025158546165935233409062206938333327396156803006895037399426372910573468794807249928556888750932087

Factorizations

Primary (ID: 2957) 7248808599285760001152755641 (proven prime)
(ID: 191553) 432184660043530478725499958093918583415713425093135364253746219170071651243592973605882863184544067437077252664966419749886031770005013268805657535265722941451088537077246881860757077554664759770808701320050827684056519819785405613124904019808188831536617052058239972331918471480776963693574414582257274700032004456032001065925521488448455598032449037854459097994877705093184921610674035264990233149129820597793322555778328691094019249292892967982290748080272802070960468631536445862715074408724181886245471589192307900604107739038797284494012330119247432514886074400951058716218511031238536999902043524757938607 (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.