Factor Info

ID 87964
Size 468 digits / 1555 bits
Status composite
Value 856963942970847351143614921462205717337515624547503962247176164965839150228206436878830386865606278499353498882079046404742965600001277266845660864100805714246524820552562285716072158308487315507418470841443491525437079265307626965493569487796833468149620492559889716698989897034483970504878454628905024140263017541501507773115459074713199835554857583912804921841131538392857108761226972548950501426199701161756201856317515866952503829879533503713580989413296351073869

Factorizations

Primary (ID: 15051) 62474894279346163099394986996638655383444073179820270094537973613640797069 (proven prime)
(ID: 87965) 13716933063369018767766925577243884903768546189494713797973322292006147959231726942460747647966632784171442102020009134752882663020095304658645311891006820962269144412988348235582560087150188510716434786341883441626636007850381580404586951595716332885028150769262734499538317087394733635516493805313090085211982560150676371890527150961625846916083004536959340708526430398139014699995887870027201 (proven prime)

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.