Factor Info

ID 185720
Size 678 digits / 2250 bits
Status composite
Value 158340623257290982812207694050268747593872148033415598738954269025062051331872899000226076677339616547951482818257512469091671484613958102414616761755719223668412943759648500157979278943468237407891674937364286288166699159987380637317604100421849751742798449685316769577714236584623011571703033169816832408213296434770951093489636907579089371442450623004395763882057321679332373744978208740457908520791358916014305563336689339865441129448120953432431239641637140602684577308652982972102220221633904862475296112204239444001175595043259043219698848487409400252257879964488331283399307216307538343832100903596284262036219890460562349880754110683490717417696342832021630022772142019

Factorizations

Primary (ID: 149725) 100257570077399847941360178402403674907980572081473 (proven prime)
(ID: 185721) 1579338329614915225374517604648304876347466240162346636090100900895506207145777560402540358918748811557295101638524031926191890090077863044539818387017009733039795449565975764941880040855313148220671765397416929159884238974778518526614897492217046210976670614541700407675136720450128860665528592373735998506835891979515934721894410360684425529300397443721263923096746213069811902572038942321589171788185112442160067780923082005123772867261101934184747016921928654975429158240422721978232310893923123331448666066624849797802364487251324276070551950385497793368741606706547855695382078186360974098206922796114104252863444405811203 (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.