Factor Info

ID 138447
Size 1023 digits / 3397 bits
Status composite
Value 259670720532564956920948936500399746468742876162487612930631586047098142552579499600395289885250171858647911034101476621541083184859566947121183609879908652648641933134296543695510425133084544397559697670069862343447982844576427719941916125290722272092376370628896255740416392807329759006218219696805282336892544004290050938769978199029966454445523861600401974620571109551643508596850254913707620817957134452455943864802483391852595070868967767928572833162155536731460679600733079730225019147829969593241023656218855642120858340400373833176506564926674091739157605218849139237218261963124771151890351412617977808236938132012706834711320061685197885523743212028319604663904728114738982979153289378176997852076436698459221271753945638277631070061427287072014800648704236328980497708389423946999732806576459700801165320550497015574515292843331200194264480329787424625290187065602912270218773003482383916671450834210818916883314784258967820143735308557129889182423897802027319206919848701593469453170799435063369822456110410353

Factorizations

Primary (ID: 137244) 507697223481765296411071 (proven prime)
(ID: 138448) 511467679007095098764038837114276972531037925046293405485442135191374115739311318094907847774523465617301216692917380218855307689961413188093756757301562337031664064451805388083401326720319167194894343740973699917952137783198472503786015315823801920224739643288240116728034633639572712827479833394910392946265713688130271987605992552114192054553057376576722181188537311291955668766547239202485309851804438666084300269319048264215706906499173491146591004069846953024782148489425075702750046596917726465992503711294431133348928499428484608728359066448242924312510754669976069320327462537960266829713744316108046422309402684324364910007493521302013107709880446798207794979697244377190043368216072639931804998914165908631829253634066792309323155506301091425276215497346304245713687995172409454294137348337886463736601936102054257758796806873014182581151534185728840769396666184514307143465289825194559605734509630027928626013321040669896003781082191377487380668274414860008605688144117008059423014203343 (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.