Factor Info

ID 21296
Size 532 digits / 1765 bits
Status composite
Value 1215506536444031900439591768093315558768671442893025689421784954117054157539948820895492047711729415929623313534504587717128518817025229184310721108225711590951766152352510431721767816849452219486655433836791978390356139156722352498789989205823927041015351573737308146018433777667312006322522188452411588740056916023345544666700386787020594523587112893667011533066954419175728327752743743946604825830546382574090237131726690892515897129143051808148912025707193811289126017251648603432794205035551984378241662551646268772493337847803

Factorizations

Primary (ID: 21297) 333064937028925224769589 (proven prime)
(ID: 21298) 3649458112543592375342314491355589084060350963622354401920941512648450269551364110771738986167527139731561881177569935845072001900566383774390805538400186972138272540677758727297954835566339725347643322996647631239568990933384764829085583516474017325274583915640863227254038284466700719807498320625009899136941753845170902798681836945614198864976862337144556122547376110532260023961143439121218349614514843058129451745503273812089194192257226308953865713811128374553946741318877763501951247401299407791990127 (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.