Factor Info

ID 131502
Size 771 digits / 2560 bits
Status composite
Value 389973470160911601401877543825965919161706173625075289750450856086122824207466347413856739448078933679050154490672839878612303272171131175551457040746881496413222274015356109978340647669065315041025564879541863626818066631087759287848807779725073922102597948517911239945187591464492901081912070268942257550628299099017028440235374582422642132549628102549865832755805034938374333327518022312162671936464326461990536251598366932490700249812883571959105439786133477856924044333241476335064649178545308029271127830557248153090653251276034836634942736796558492423821543525425049454262837545267355555509320518271518045493111372147944514485424881578426120152532992970341366978941565552694240068765494381548108646307516701742857338799559620685263429302511287312012187436546459407

Factorizations

Primary (ID: 439) 248825147396336304582370574626699363123835244172196051741434532158291098258439958157642819216575829803638503939477709 (proven prime)
(ID: 131503) 1567259074259684579174013524625067854756172050451259296628797386093481655544524435236352625071612437612055889376365618934667324998478054302598098755257624003080349287346078001406478445209588906419625625079171845869767985852092106500961418753522206189201617564335663681684047430159537857246997069813417632595764759404154513479998982459986326227245999642216354151200817418109381092278123158109012390154966778585286538277066152775911084165542906250450987655631027293164219924935204122887679146797945973635709124400744563964979203307378182654382303558050268526670055342015055534909510995941427566032769772918894011234685017328180831230161418750160875450926923 (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.