Factor Info

ID 145640
Size 600 digits / 1993 bits
Status composite
Value 723500256957566000035504693850698949876801809328242544435313201141270395828538604342964466360339406578469282121713976578955711366063471360995222818790963867269201684529364471261916210074663268650363641597269734969634101309164511359851559541289345364818051044482885073679090356286877913438705724956575645074818902831885274172356526188086504905037496645494327607245221964049500614305818828220417732871197539923674711643017448015638845058247368139875834080319235912986361613170971048804241201078787890973317588227218834909407365730103478960926386290597009790195057009138902962064780251459694623412259551

Factorizations

Primary (ID: 4772) 291671294798796604878293546257685321758532280277228977625499001874203904408637427299940848195909297449354999283935995360702618591096672220445292821344833868872336858053772611074999511585279 (proven prime)
(ID: 181536) 2480532948765690676000254279280496525147741567579885638791271181268937398676288863648767427043652729448576133710588398505991674244852104119342812581471458710144068813610309099549130725203540683052186255312772581979845787227414742455187284276233362811159159866033849316301033008945768282242842762465970272697837399886549441149270727246264841897025650703761599869900619768507020665750862286146856723052350334420769 (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.