Factor Info

ID 155588
Size 542 digits / 1801 bits
Status composite
Value 72399303919703861244920177441010623880938030501213186833224366311488089757945523880844794763764231009380614132154383693426634147802097775573285225085938609632289715503052100796920305037994167166990393068874210216396911774622099910708715900893001506029097807135803052520250657149064394740725962407160258857046661072953928353842113161247620733936322537771795807860472616406709677234373072399373404540436093427310040176411336053133825253675746903917630987000493066346666144865387022568475718154968315330557855168522327836677549382664984219806481

Factorizations

Primary (ID: 155096) 1122399563430440797573237387545143 (proven prime)
(ID: 189539) 64504037847650776167562608564447569532652109418332129512259379143024998330746573503025326834647318190726773302878956921749235745510203736042033166860043079228797753024540401132616541102918819134480350064851528397645702674799204791491029899054589689223667279597527891553033004355245235037243660777353049859182204431199008285209909588077555837309317816393662037933751035690219362517491623203339089443641585670851748364709459751557329758549878828230086963328599825235142561702891416988344624160222385851767173367 (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.