Factor Info

ID 31220
Size 482 digits / 1599 bits
Status composite
Value 19628132956793881708061760335026243327651202756283807006688290162324603032647816107913030393764676714466141752627089602782638237928368305461023048546169554100074347167331083581289406284652851226673627872919910373310349586176319260851255101431936050466300309054469437075021815267454056688459534599956646701184570818388917017488936546204548570922019561828367434701086300414647668142015729061384003558350722178994446879329141117519306066437609076167150090295233884845471935618321570977

Factorizations

Primary (ID: 17195) 393024899619859590739537077043657 (proven prime)
(ID: 31221) 49941194503906871614834836431531143416893182788454078983310815840068695704739501915155606189766421221888474453642912938218870323831791254907053857270936149947447271633361143888671081213797519749837840843104906093042420214539268515819196769378989771476328958444585975244160970730133348451291430905328716938715402459319605281084702149296194381449358757599793359757757350431490919928383383734524039990124610074283146436348658433534218565790696558964761 (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.