Factor Info

ID 87520
Size 650 digits / 2157 bits
Status composite
Value 15805725246554656678062667706483471973471116919243612819883684022492733796146492743057529759680095403141895071466068118758442913559557741381114054549145276244336240858324173381667428113742736801375330596717411728367407289695986464538141251475821022052755062904025306652737432045259760468028761521150283494308498482448157137120474148262041311937427863412849672881749717147206279668962165819986615859698622265164090570947527944231242627154601804898527205219570998228140305909671848448758983027716016874124829325713273524455166201781453231659593519086122446200773556289487966530394026083678919479595503140924401631326513042866408824590337519586230994571

Factorizations

Primary (ID: 10825) 756450142211646020278834399577 (proven prime)
(ID: 87521) 20894602782865757137715061718686544409120447797418164872994784694155184654214708834810106909880355498029724366282545215963871182615976854372921181075934130949654603789891505985217648854479315907388327592638116922882459159088684364433130170444996542924266131789067648147334646363718943519271124910403623974892419851670586553451125058615469235692526073069203403642143842475772938009727974612133990995340018295891675983103343465011448878161579382973385649157805227588110298882948861964163448430411400009202512010307789319985835770011185964664181411587981845932905854920437079092924776197118139192313581126031013230519905923 (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.