Factor Info

ID 189642
Size 457 digits / 1518 bits
Status composite
Value 8515590739121400362077299563936643415748716358175804877810476407948810591350053109782945478026939780521062929279313200268028913017782002435285488321125947792606219220222782175399459589616288373675065674147171987448283723773750176680598007633536314225934204138823633650510301341401664398702695804567236494977147352106994491273900061407018472662257724415919602846786415198061682218274345337139778865398709686269183155375089682553474701180300412000814067498921

Factorizations

Primary (ID: 188831) 159315684844401735840593210406268936914695027737050410326853325901125096672398311850809028114964615951125738957216281 (proven prime)
(ID: 189643) 53451050644751589022117865611985540151663407462575211006610337915523942887108351371245252862519855692215856291012569249992163694478786040296967755261282427513735123329895666953376154121087230801368815280310744547081905296167775705754544589710822519312339082791885989619290079730161065246500716200078715585812761772053966047751565331319399441 (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.