Factor Info

ID 172957
Size 703 digits / 2333 bits
Status composite
Value 1955881980960200715851864692564055845218794813455766774831203480254197691780847074847542317963613574012509976028973561354267085830467332464827759731137786551918725610108396422787186216268704397517981822035084020872021876429277961604405903012553053632183260189834892321765129287674110386163791584364691130694244072021266822017916937469902568500965053210535876519609442297257042823648035375837134763548854474461257260287208411781482216200654124782933302069708240078086952829379105521538188484226850815609852212275950549832897688111237309354664322851284915965073053944141985509577194074090195879800361049090933740256709558366379209008289724539676759252207537020567731192839349205005556290720840146782014433

Factorizations

Primary (ID: 136411) 849890089913739257948662758708499908691 (proven prime)
(ID: 172958) 2301335201071371002814192774896476384057152912774268262755216624467853786282141363192113947144671070392791314836444509584881860563664433222514246468165479432278317580559986119283869493485289924552072103505398633382466549095702280114340834021379344963630597616425942027940101495814148046628969955868891590999989446248368206568816190886948873430544037443766972219607915311491358291484896473420780631346687178090034235353053225455629452839513573821431127601440623857273024758906617848493552075342253535149970615433632226109977139797070564196533303048718552876264867615480173829019660039044539736567154079907700754041880235284953621530756744317284154915224842607395963 (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.