Factor Info

ID 21814
Size 663 digits / 2202 bits
Status composite
Value 643845172303559797645675355576493232619462058968418032069146661000799009422804624360481202693447220992574200594799243036546340266711012642995295354357397450400643526698572237645981375915645651258202683394675256719180678918493824292698562225420620236401267992725851338102973758270516122617316653341291799861978241355199895637541691706218966890886693676764826523320328227800747208685071741430432703522959334748836091265769673129902321631855078553552586008952577112132232496321263370238949530898769015335977142364521049848872302858278858305614586368496878120177210772845272519135706864463948531703488550182346747671141822175434572078629471985564442641472001607514401

Factorizations

Primary (ID: 30549) 269644492391794455719338841735437621 (proven prime)
(ID: 30550) 2387755694887512683835836043704041888111465156006124941290962266551416264222283950060276636753199336246839774881698076929469247891497875093036013462969807575131067782591927650348700595907434579266815153302102658625351976785895880472380708943128873267587830890573223977918439518485686540183478421108207726517348526684535156294719914676917824440003554350158977296698696570103015305105949704635945548037048469342226227354405607385845255602383840165059863026618862881968086764176178788553005246943215100658907401405250766574988753920705613155780637770254710378271313268576452943174897201141500084040875289834708300976368949961205181 (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.