Factor Info

ID 2921
Size 476 digits / 1580 bits
Status composite
Value 21515104827581030980810420394480235035648736988805114669336142406635616416864655402026733800425301370764508307114417308888949140611908384764818923493273839265121068119755607900351956192121914926427611071936262457471533409699893719614238191744529457829087730172338757445806402425703818363661560283564933770833967961406148239909594523068916602582927544955327524026092419569076833417306773073866600594343945598415610166592623179266190749782657645130434854038787083824327679153551

Factorizations

Primary (ID: 20457) 713502050850568332655474885282466655139892879 (proven prime)
(ID: 20458) 30154229832882467526681389209431018818458330966083322116420476973610546546863975152190104573286059513393538858361128328320993119612518353841211221414539942737616515163790513043895206277393119021309338896118678728372687754569337289350011567509348535197998731154674088463699073653740517074962028789427231396273260627623631410171250174852298362265122684132424678183354281319981009263750625289518673313465902633242531872955364447783169 (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.