Factor Info
| ID | 131979 |
| Size | 167 digits / 553 bits |
| Status | composite |
| Value | 15537987386572646786828686487973395890708309930484511109880253342683869203621561066601095833464458931669023814439042082507059795990512113395554973367135194160710250337 |
Factorizations
| Primary | (ID: 131756) 2927682077813715874149933185385605053168690918973651083914101281 (proven prime) |
| (ID: 167892) 5307265944045344592866344390398344961458517154690505360905068553502455652805329365975538762599355155777 (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.