Factor Info

ID 161634
Size 398 digits / 1320 bits
Status composite
Value 17225591661841864019496616621400705575886933290661688849992477442786309231587845174610316011201818230553627048033734302778540133281995976690135026424753823455308687140815625458101277336062969696086340463788566242546051928371131518504404207096045492179999203086143349841147577035058796115232630940522012612226789776497140486135604377668554357155248623536106001316506468886622303496067110237532037449

Factorizations

Primary (ID: 163474) 21375462466919076222503176097 (proven prime)
(ID: 193946) 805858197851877948283249814126237357483709439810642839949460056236438160855433398539327983311506294804313977354963783386092769479950039396467766492564039194530232278662461746533469586283648315155023670664230804429841695362938151056702477138470527929883262684831467967662494126888299797089686402809095582685614660703458700018788605436833086462100760315505046339142965417 (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.