Factor Info

ID 87537
Size 588 digits / 1952 bits
Status composite
Value 256919640239561745221369989234109119634151930615165026757620264476082414816374269707252628790847590173434631858668459303833026391860071471432149511430008906963242118001217569043681851484350805297616845310175895318034821991158950497903049216223403228370559640868698779452423985749096242180825456893914318860711202023436628474754432510450331923729474229106704221482593393492346786031479113238271652031474892090665267184593301300748008552506354438791973648134315500015659970323147925043435864930558579940759596366452393112593965759915637567095726307226040041086818893083074605103996605527041

Factorizations

Primary (ID: 13604) 7455602825647884208337395736200454918783366342657 (proven prime)
(ID: 87538) 34459941905131687730537214758968854543411386086278708580119663922603115223978854254034127474255265993880825793709046790548064050224350706861120030707401010283849601125591051561351313403830069834865616168000526648643247361178978097899859321736499619276689798153607695821654839964544400946632654771920085920030960328935624433978924038790936320134978045443811523474643725731834948935811630657152735463762310846495480596782921040454781851948264814760828419296198101136706435891221862055685692329001766441686358741864236578578388223864508992513 (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.