Factor Info

ID 105780
Size 648 digits / 2152 bits
Status composite
Value 560851226446761536268899400491797471546378566603753663551294815246399348484393930831795316934495868715738449956089630705726249936680806872134453132671413784675962232651257258914485685333009370844408741806069146177496336231603964827268229725343442933672150729116214796935292344282838122783758022437153375524122586222702467143343252354778304535576146557564184363180404593735240605069576675351750017253813326479647816720496523497838288056321401982573679879870921573241344335366458243154621869412957981086594096091742158152098216242691557640334154424889776453517796937093094646228731841403574563688779045900963987145907269728550369720600834977290510293

Factorizations

Primary (ID: 114871) 53098500337657293567779950768500577854961 (proven prime)
(ID: 127342) 10562468297226231958191150015648774839256610865009756324503125703729263005842808454421425259278087249057415281376681053807644301434076048065447331346434476945315197743026988069890284631160789180208218127595598768291165965775301574062427409430994936995364112357126360655711913535430044421977589945212058103927105776787340669898270687969359369361868329852462893131039919282498173541045131228421435911919286971349397846995195551891058095823529693266676767358299144294913084855845484059306950200274150707961939168581572179044599265738152905230509601612735152906828994864328704078986467334654812779315937717707813 (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.