Factor Info

ID 152597
Size 320 digits / 1062 bits
Status composite
Value 28957914985259609485174865223508710798778487170737815149836301668229510684711299686359700656515811095686094016947005346120336365978490668297013216863773167689981975953720359554305555295670325531781275902550152638745638849933891879348639298489972440135016999410122999101872368542920796103010357081011397197874769252413993

Factorizations

Primary (ID: 152109) 526081259372584273819689055937 (proven prime)
(ID: 186678) 55044566726812196827460307469828751114621831824111457575259042960710702836099361703674565662667233278608700624716522967527284056181111920321543521090169169450375639064494268438003356858282675477105399101501292615380660966135684205650317883974157964708140602825495693280775423571177737878889 (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.