Factor Info

ID 128947
Size 871 digits / 2891 bits
Status composite
Value 1015053156326792400940635539363050977350453146315902272108882617461197108652752786574820228574396253097847694974590475642203420780021141157159657817993605475302487349690778346343883020759698947026987249753738313870282975205324020504614837036032320475764399007556106758304473964670461611362709149203557807192854705277752423439952489429933178824069161945897679409166099067869514595381519321700369921669373559064329446408448833633496760187693743495366383998501461974370322269347306993964598365651921236650484282448250891028100943926049656714539141514257192265402045469535923705881897389349779116842119830281512386757840999104724393312553819081604283773312851736789879539409524672642718473600133001287098149325119352086216011975606378545883855724831269151227395157830865636795156792157800539374752945352027388471507876581638342316332780558409783058317105411679833285633544151

Factorizations

Primary (ID: 10168) 12536252563825310039954474860075008920278275542125005258107378630093649792819370061511527192425384428795094505026209475961929836877411414220303657808482844461 (proven prime)
(ID: 128948) 80969424567580604663004088218487179194436143474047354940872825608538918002356138136425992977095369749047334472226832239199488840769315633697580087466014162771966970878890311564777285914648682534572299589461373768904897399784684983455642945137432232324152279153309432957752631553450027422925271512467718943490266960422489839774493978323893334331777057388953125038722965481366681826751475443310440174032573582202920654772417826690413449912968377613486320835023565388879945451820127620711871353813098181022496044024399408088436624942164631595232427342949121233393031448939531295343743807297671854046322948257234345615638696397490137818305495876939645922917424940133830476390815390958427892488227418920957728164646291 (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.