Factor Info

ID 173308
Size 911 digits / 3024 bits
Status composite
Value 15748144609514983996405795562821245644819201977410490718749629553168652938453295700105850694101253579565640354349413310098364491172912185910545775717467188023118761467675520491028615055577978165559444406710985248731977690245489318136440871679706699517242943333446239757821325606775498209979928646168423043157137814515862660472307509583712962800361081689005814620163265709712601306116687958680064777354656382295433183012995826870563100561284064307666086368402964539919323838655442833920552814713318930683519654536464720390470066959205876197491022338464954127936722128657120313557608477337134612747020399342119475254417471634518467065650089452598217174503877798002717562899887992542441833697066122865819136414754207514509087940867628108013960893152161516857751955413634426210342877889658432284629794863250960363555722476875880112817558245274048491398850679950835566124201068277967897779241865779595329604366366211

Factorizations

Primary (ID: 136481) 1340663819668652196151778627618820919162438479039584195854984163373080111285603355812898815448531485387561410432828847 (proven prime)
(ID: 173309) 11746527636888992895871092356789467058153232659337443291018256138750874596305852374212233256964973187375799102003658211099138154346387228989149142788845590405815002538304700478542976422032124861320901723555682397200036259128915381020456759028682791464068088832767229105002294726129216215791284317861698398518778280981034170992675060893877121557494964615255696967637008312974967937738539748257806399301815529904554167829949137588376156404811559811529095157438425809744534574868365008849417718479028293743707464104559971610889396645855339795459406392226426882876609678388038138718122362242897889630436940148981758958008181592323971511091516044182644478403245035804751545208675762493344237966154794997365634210631536665889581248510029722514286054329667304040432773241723679944812173207722006789613 (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.