Factor Info

ID 38748
Size 615 digits / 2043 bits
Status composite
Value 647427939370434522535270429832995473039697103828321896746660893113820052409001975250516234306442152751772430356287998181908161788183360968586971803421054514701212489041304692215970718886113541871852815315974699732033787055872247007995399304532620434562048031389001055317878942968418391345800100904699262817836349977078105714086433726524376718339875886735284122188166374943310311654071616087856587764627938646361068123454853645200349542466513333549667870575823256158408810500733854456397553646755592165603456151134748688397185211230427627934498996234820624496470623105463634499354450219313936277435925667070212250969

Factorizations

Primary (ID: 13260) 74470384522564833298454759466299332761071975173848833479724159590941066716276151509845384673161374520245815798948193821468218654502211836374369614067481081732544202925959870093219274801281 (proven prime)
(ID: 38749) 8693763883739061260823379905170284401161723955771763698389809351210749008243948164419927430173216218004549718636010579164583888214610924863011969020070573572542438734601685870286285306399508098587203226218176645621768476990346968379795777950167009247219190241280365456657649253644285699658319755702627884831740005682941530084990742045969584841216673031501974093569228226142774745053391665016643051206796377364964432448934572249 (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.