Factor Info

ID 171917
Size 337 digits / 1117 bits
Status composite
Value 1609531751938768423649982192703430359066901691230285376871416918719649938647516731157505504203389610607669729887921347181259798848584997892238326229122667629318169782414814270937820960519864599319497307342645470777119476369951594662603569043726751630102836688435906677043411903773452947102569716409643684692536101214039404270803163806627

Factorizations

Primary (ID: 171378) 158124310056416991684436337187816394305528216973 (proven prime)
(ID: 171918) 10178901342649371442285090359156622933956560150804061376417160420795762172937505776771346138284187336459041694466547025532662615355580653619113569960912842003726650447330201390495734633187754711623018225930045530992889617323058546862166752139608520692597437238633384213085551199253155273199 (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.