Factor Info

ID 137991
Size 879 digits / 2920 bits
Status composite
Value 981770919617805160723277007618157005144362985074813165701389150314255699572400470397889476937293175002814769367820018736120452423331613083160756753583876058599198260417537684830046540264944415836515867855182890132012030354841467917662387833528718584677161636211700445614769042062058338106469604731966882746801302826125785369588922804964083565727479005128397341333924697908227036508398507776283323368609842489696357480534666152087376641829826553657004225258124636700890326221407816676069980007191096341918130015880149400665924009344239524245212025650470978439576651743554932152183664727495519534891494923481103187510288574355322261283828304109719962638969455896468323818312243565365508900980441090306436763113361331940952964204560661236063180737259868101557004056281399409037864763781330332240255061044552302790589565196407937410027224361043402757249124754879845809503192199022421

Factorizations

Primary (ID: 137223) 353245517860142207052022009 (proven prime)
(ID: 137992) 2779287690796717208809959080141030971852362285276047698557214927554455036873387073510053156724879658958378913531498713306035435624430526652265102218860442069273608293071165779869135392936373213573061200726329753957896770234151964886567884116750810628060016588747066611076120088213559869376692224081475075928195504687349273018859583240151418389586686724388104706153413033558881277250694998341264756592582277902965083905505932983593315558226298803194465601461800868933554738793602550757814598094450790729194857928726220985356799674000704568197379778648777600657676297815300720935489131683215497798276057846876715552024076038681529996313140107148929129010576900570716731073040064402836905035004021423217960960020502771827791860614472032860772287252001727728793458758741097334882735086104768018490151725841883430779069670447523978773074230312460145587678269 (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.