Factor Info

ID 166341
Size 737 digits / 2447 bits
Status composite
Value 40375416572696128625189780588662077747326518065303951909573295069621553744418013732191854217268474805907867968830071839571088314008793204066439589913870145100139713889340399207031723465679033228900057566605358248623861164477414146347120966761859196028398000319738766765740456366135718436565096334447872529096354922857616079269884411859104540419734274873476363307948321300876071305805074346163901343535420103475579028149292974335600425611404837698588327262837044304510530718623519939817198100269341838823339500150734851654770944813543967925283753632511414458702542540725889961985537957695624451116373524133924494247359424869888123487345507151118459291069311528243004776922259883038027213344681317093368834596256643293812354330123308404983

Factorizations

Primary (ID: 17213) 268313928259442786323996685119 (proven prime)
(ID: 166342) 150478273098277724037304893081849079629637474359576069583229775078305133756842584307226666187618871195017876220236353612755402958173422017870928997164914960168072609677605767219045269889450644847522219009402061429208676760883532944220557213682400991413862427186349219816800811679287304605648843117566520394525790845740946953733585503367039981775654514956589811154647764886731758987190283563971906244012986397730076899468417512381580301844090113209167784329863465589575405876385471846542476944543524379620493071770344373649414628377463564091973916098439277351977263451619442475945296553475923676944567417903282185466793682108585353320193120627935845846606943804174999173824572086891690359696653766489390582857 (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.