Factor Info

ID 144319
Size 667 digits / 2214 bits
Status composite
Value 2500315071964303825081778764920770878024504632217603338014355402151549616008118220047457039737147308478462290434650818310321929003138508676080963945826372531485133191304842604778994967894677695692933867371020263726827625429766696629416074314483020972022001424871685307974013982329846919168657716123561763495398657775113417053782125924549047660913345581516608795080335478522552648994003459038575000801988591744127457426407604322089677032716406407508326950099218882086810700889569611356028184495520564140456445293456225492835045128524013843210832698006322547381244484520194321793388345933634225450488094712957003087530593065429772589348653703105934753437166009607576179

Factorizations

Primary (ID: 143605) 16464833459374627024064588951 (proven prime)
(ID: 180138) 151857902367101844551812572498882461677360924532829512406348017896184099877520937002839249228516223596017758573786171996294936600497945711023269681792321166090205200748711046582856277367361205932874535643999642762729433395396980705583755891808179576873699035417492248220498212793286456924944987827986039469747614493529505640472224427580118483607324421466013004094977741332644940318643497207651840663266977501755968533649912865863974582722866662402701668810469161812798472133118516570943297453475477294757664764700164973478766767879457543233818649555481730510716485385226964140678065922222617469671729362748743877749431378130919450488426629 (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.