Factor Info

ID 207551
Size 640 digits / 2123 bits
Status composite
Value 1115955770197111907785196575543194888144899383250323097030630332614800127619097899850256720746163841996843833069742141267241800827727073955930429086842223983251766695603952037702006193880554453356575149674106996892829811258456827246589645151328808604581582035481187908676444901168003465432565106146349952408840252659302407102778783957500653813700678510563171175188733179138943887527789539517829093663064258965136038952211545711396029527735089908613854489734183149879439545693610365378392848827156001822448087869268646343351261690159101098834655937375444758086784497185824091976961441005153974090853631458369294414908198516191069197782824089

Factorizations

Primary (ID: 207552) 64054837314575552509 (proven prime)
(ID: 207553) 17421881265838112785112167863555376667779400373245987441792303855924427142288412951789468417634724982158556782572859781804378839000549103290743485379130416095188138789473103205307201391774093726328674413791945221008945094742896771973637866014226068836498682795938548451748353067353817046461818615907504966983136983564883439041831043465657897973627676054029978554759006555995265257354814981379565372153190163886640444665051118420020841018276991603218343822331777058545849469474708497184090770908582233673829937018842917538672037547294336464328944058707410509815955096221642866400610432956116569445232675779435014650524621 (proven prime)

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.