Factor Info

ID 71028
Size 261 digits / 867 bits
Status composite
Value 636629206856030968268391235301888161974441297191836961916157609267304886515574797529936462215553252739059539663312448355686872901556618329004398111082827777604847049496550131539749125823002498319468142953282460912448729754325553463140650624595046266900982706541

Factorizations

Primary (ID: 70683) 2511778854830594606611 (proven prime)
(ID: 71029) 253457507069812496276049775854968916756844654759782753531500884430164702077670875998940711919092113859283627240890986088883548256006025793669349044907802919755451492704522027413383071662247311854914204601770948914153420342094382359984085631 (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.