Factor Info

ID 51220
Size 360 digits / 1195 bits
Status composite
Value 518730200416827064028774359720919495687491658822731612768166513864284911106832577935420445453863660280210961253516762565477276798776144607823881007170262851757269464302724356563692936521615200686393845775818071669596382540217842382874956325686941585691272905982164441432795399430603868317857319950970507459364996938355316800033767973852159048502912508920117311

Factorizations

Primary (ID: 50222) 42437717969530394595211 (proven prime)
(ID: 51221) 12223329274898030185499677164730443971623946366456748497291360385889670114863642742513015068456108287307470141308764736863397141174423269595586160250414590491925822788905179512192291291684103041302872362107964049678434996750786492745244409671698605205417700175098772471043595435226587084401674626819617256162327378217916839913768103891101 (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.