Factor Info

ID 87728
Size 732 digits / 2432 bits
Status composite
Value 838559257961370378582437454672891107559268467451268580606993941813911955912392914748349482487684013841104676893105155779742326023199170367886596011138927323656727208360785244981035443470037849370198411233709704407800717105206250822941557364414803489678901717773520749717564989915656892524645915702652623260741636169476230368052362833924771388409046668794985958517030489359005810065043240721040047347843423190350720813964691104149256919109982495668632923764144517741126971896057242445605213356378684702310825427656512288185153671479576736781022354438157736251234258696544408984090815832447732184563832102073170579773595585609840887178646935538565254888685750175835242537022876333436917911503896338603509815813134059630470541554071039

Factorizations

Primary (ID: 14913) 1621080768750408973059704415815994507256956989913429764153 (proven prime)
(ID: 87729) 517284070063803120009449626447190646865334514875889240722848030651588290555307389559877618512746187048303479665342709700419523527252978193843585766223206347431514564255231074048796847634635476711547102021594999145968952395377019917258917868979830227317250573894658744173711958909260640253733638280512352458966134781503916847511372368370435833773190246456630737625001693248146898246283103348267433400777891916930146963964808172332374746343933735826183613667842750525835239641845225683094000731073735223802506800379303300534009206977893223262989835203315927658010316163789160359690017044203515900525117911316484316624248403752354147101779770722674739871882372797669470787919863 (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.