Factor Info

ID 72159
Size 679 digits / 2254 bits
Status composite
Value 2503720008634507734939350691486115038978422743286750501244761643597660479592074542855276286181224730955341384571508172589566500591657084886387048956754875770514617347109140250899058295339070194937379862588727405664616429460355132844920041877347158768295491083245228540449289415114073482054088181967005835006143404707056139388672102661248705725724238851658243808458203448236052998866218732673309579317247808881912629470511866860163259693245843139658534384828090630748341635501501597086258397724878262485758531031969760581363860017289782378004428112722138662448996493555967807139047584955724890438456414612108271533940024716806467178685231578843121789907592514691423255810660157749

Factorizations

Primary (ID: 70628) 18125089740981918851143613362611829740110227944229 (proven prime)
(ID: 99521) 138135592397837683354279682680442735959367275428479100916539682610875664745771637710127436228007774238072999644383314103515885752746815508608832096394826544671900040906192925948913580994748107349714699249026841560668330441749041339981947602749133848750108062223950579057168157504393013190282517205693175556879587614879040217176659363046364488385320296131880850161118253929162655216286824222670283972809738661823521919722171348251549021904686490350351654817286320633133403462800522670301178032136855592231849262043312442463755955305982876204849495608564851689295356033347811554137947252817594286405504576948441494638970107902748881 (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.