Factor Info

ID 157515
Size 754 digits / 2503 bits
Status composite
Value 1537755941338113558985954889203797394159319619460138155231029578188560186207840857008295634328479783411405515132815404545074963009350463858268136720114113322562786721650859537634359955441170493319716743629410681477914508573642283458814240944593605653002380333171258907149162944190614955146795632153009960640820557553375824279187027016723127292314404822562224643943997396465681875410864889737487863442883023977939210991321318018601479025760835598593920736987659871687415142838587106592785745111795337771033104574316824216846637686592899305871458896783823662636035055920348503727922428261001728840526684782313813699921200145076447655050181133799223103721818817666494140601775201613190950460526770210052179967911348039814224023122937250294876854217624835543

Factorizations

Primary (ID: 3428) 3094370432032805355177230433270065636934209000089709476056046201975893944504526523646181882472019182454441940262575164313583 (proven prime)
(ID: 191685) 496952764743135590765704966678472579664463852863924406353321691954386473732665198636595711228168083537139896133105531075044092693283144409897631062391395001266109768904707308840950560219000254873464622096796414297540682438428962866607316666203514656286866929273572307970967841365170591991805272234755997243220769515689213009801159771595100952688574602449788280057442428843731450067213038735766437160185220015335810147111056985982722422783059706864853650456456521181670335057391613746881421967215321216279712140499665424172862097172568709545516501021732603039025585005791912502054744482121495800867066412669406146457534460074324121 (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.