Factor Info
| ID | 17873 |
| Size | 176 digits / 583 bits |
| Status | composite |
| Value | 20515492766003001206451498296756859510861535690654919879998038101449808052650610292177438426781533282357736053940568755775686526012884387655445587326221666481949622703912001533 |
Factorizations
| Primary | (ID: 7531) 678389915020055546314233943801 (proven prime) |
| (ID: 17874) 30241447155647195112580583703749446845615635779786526580701399622896817702415437899352660769077570926538782573536590266010286657327604570388676133 (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.