Factor Info

ID 171246
Size 875 digits / 2907 bits
Status composite
Value 64138669181785695012600050972438103580074771179525127011407150489225603939438092432870536549130420675836505251083118781156809771674032190581337971251947224340316865166692370434089510640963189648720817938162444574322332126457250034382484172513827369763218259975299703924762266969458987584191883575157033350652238691378194313018383999387489199400361705408810579448924066381316277124312876180004860399522134312988031146212171348778785731544149955813766712636802452405899982278526320108000057756625388130541001597247555565984747029914118984476845813885766464592811733568350759410128381112630878281123132283754981673622377472734517066512264604974369119354766634713351186586092608969961559328510135734773584686884019221849028955748257420529181593191561726436272437393648600231347749165491156625659415585715721303075928261211051235558587803506219389559646526477318661741086923927571

Factorizations

Primary (ID: 169917) 12595083615719740205913831870057576586969 (proven prime)
(ID: 171247) 5092357553048330480558083106600281170071972165881158033119242031739964202016127022159426451036392274494427124013032646632894761343972254657639679308304810153828463260373733790683152777116748450171506578350870131331527669162269909003732314115440441975333796323188356040340060375059344139237582561760426181949886869189504905918195382999526725201278436743429981226898057752243514234250495062438040861676765428912826208769339881341367357203029600641488053568706365558047637556712249538208315030473480351624236765562360789412378703573099095816163065318307414221223594763715412430410007866746026345173178812135754102060209713887769787267642143173470005730178281772262425660400056606339404396588976899395583747351265782295676038162680004593381403983727853036308334941119209822578592921183116858683056447944703582552804257402378528170586835659 (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.