Factor Info
| ID | 171991 |
| Size | 158 digits / 524 bits |
| Status | composite |
| Value | 30606475329985124502438475546233953915119857575724177288996055674541466545788398758804822707338674343401257834311159808408813257029746965300314199074380920701 |
Factorizations
| Primary | (ID: 171500) 857154232620792007684510744353576437644914847 (proven prime) |
| (ID: 171992) 35707080669022998191722053356427127806379777324805165804050952852450908698797495252001631044892203723389304477283 (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.