Factor Info
| ID | 81581 |
| Size | 177 digits / 587 bits |
| Status | composite |
| Value | 471927557427857995859358008236138471428393310851350958188210716334339933532357807226428463973845814878617192819025617923156680672787018107217909863436655900687831961256855978143 |
Factorizations
| Primary | (ID: 57196) 403476788531724813009371807907132693704496994384144939 (proven prime) |
| (ID: 81582) 1169652309232532208139591637639327023839839986680468235628457329909733191201930854899740490006690758601259789991824208268637 (proven prime) |
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.