Factor Info
| ID | 143287 |
| Size | 175 digits / 581 bits |
| Status | composite |
| Value | 6455977159324767206222236129302226992697556161673553616891530090773035987065050941957166261207730204957507967308806880484676928125342261927601516812695327073899810538718821233 |
Factorizations
| Primary | (ID: 143288) 3015022137777309849949579 (proven prime) |
| (ID: 143289) 2141270234282308608373164642458053674577702167973497919191317015607873453880379440791612067543841373547092013563796545146501588224623065168157918669427 (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.