Factor Info

ID 155970
Size 684 digits / 2272 bits
Status composite
Value 653801054030664149072582608330392259198541421667254358659626653423737005962099276743395681872347568617753597015165003492214600936608914681091475716658171262306270346871643094940466707753988102695586793751537403783217248303159197967867396962068250756903507241920184347896576346419914725298082055154346182565106995149031139387070637406988186484675144115164503600195580698601462414837063924528834926575270697970805109185623592999487399407884881368170558820609122033531514829370613379783701245553245325853314092816688485973835065518380404163444217913695966302807526586156317077643047744157740670338020431172016293052942567032814560414192689853865728495946609126024722916332105372630958419

Factorizations

Primary (ID: 155148) 64636178950385134849 (proven prime)
(ID: 155971) 10115094435463507140137955668293179725517556043679733844568406711565813609609572853088596043665399762880855225291179584959534825752932933311412564249052864446862674166940110719546889728696936376860276147144875652263294948961412846008847812913513398548647978348829575879516692847246704728132421810852253608332769582665378041071516867839419088024213357192126848032522935222110785790676128845980793084679541394351511396038685145775503197595935394573095058853358435548074435101688966717300852539204928300036153918962411609879279828411541657483764251933456023666874525887072644333867811816716089852462249614939804734068247658882838412223225091700485443778875043036686931 (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.