Factor Info

ID 197175
Size 564 digits / 1874 bits
Status composite
Value 856169970274735490231244873529309789559306264792465009030095244084145828468134114018575106759862120652821866726318284243252360293030028974957799435436858665147493611123850998781215829745615826766836276400219877229589852278761157745586640791031451237308667047493887232021551659881764131012662494758581594451749032723424907037180411646381371534520753111917603391846145342261370144009812692431369805397791045906487369049039167037353589274093401484655245849545767434866949510340091879144636542765908345545913717060292675352059259952171504175621763371570461139289405243

Factorizations

Primary (ID: 197176) 21175806993182078963328785147199068876807417150786314429739564514337 (proven prime)
(ID: 197177) 40431515575788652154787499296779751687692758371068611500520241301864259284427599982166442724211407111921253583019755604827837446463968783499236740447989978863153665932196375062640399282102264140230872024853562818036863491547794357854413046824093315910892958172416879438793108252515525385466333337287796749915802048896172386828280524377645127058220474396942174889594494072817463808903875442097666355459708627167512790867221888008169268459207922855564199841611003443920287343039422640606184909285339 (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.