Factor Info

ID 163959
Size 355 digits / 1177 bits
Status composite
Value 1678711328890285633899562925286412575664389629377674088584248335357649513365767370028634132707203131145967101401156035232281846324591099942884795443919346713595972942101441279368265662184158709528863759326460525761872253938937548639826050625726847319316350428375939488502976115378478766060536757657153614339249276144360806825903890095278175339681733090847

Factorizations

Primary (ID: 163525) 64803541049084747986977301 (proven prime)
(ID: 163960) 25904623446715106514318540218239648481757208597961771246629757450054313854245138917565748786611211490132839663667979980879065454915599331861526915499754059342328617170131599154854308521875025397156888370450746125102891321961344907720364660394162378629717078960331648705089018464659052788728231706882006688709409666606421857947747 (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.