Factor Info
| ID | 16987 |
| Size | 175 digits / 579 bits |
| Status | composite |
| Value | 1601539191590508020994117449582813318778977192516729859210977972580669730223759407710094833230377129577280676295060028267115112995566788833527491055416083097455334073554279951 |
Factorizations
| Primary | (ID: 16988) 4608870245707777930782391371723915459255110927237679601 (proven prime) |
| (ID: 16989) 347490622692625148334686200496162077889916580996992482833633014083203033237999934148869452023801162727212010339824740351 (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.