Factor Info

ID 155711
Size 508 digits / 1686 bits
Status composite
Value 2015314152231716504924027906252368699605794449859823310836468410513847551671820156181852554824333734730694886871540424736588581961467181282602902815916047220862544681033136147125734894727894304084281723407790182340314494136832306721788665434040829376799969449309977766758280806704769601990950454349338212544865806443890177316887962309580389984195812806120621058835047419999565731977050909416144092250191651103190737773884672735820314376140373283382650056405548795262183312622767948688300221100368678026061361

Factorizations

Primary (ID: 154615) 236661696642275153056980146191674776616380367693641 (proven prime)
(ID: 189642) 8515590739121400362077299563936643415748716358175804877810476407948810591350053109782945478026939780521062929279313200268028913017782002435285488321125947792606219220222782175399459589616288373675065674147171987448283723773750176680598007633536314225934204138823633650510301341401664398702695804567236494977147352106994491273900061407018472662257724415919602846786415198061682218274345337139778865398709686269183155375089682553474701180300412000814067498921 (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.