Factor Info
| ID | 8561 |
| Size | 135 digits / 448 bits |
| Status | composite |
| Value | 423276684641177023365933561793680336994672363318740352627580895398510456684320082161576972277999375139031236569033548638490355875064137 |
Factorizations
| Primary | (ID: 8183) 70722308812401674174993533367023 (proven prime) |
| (ID: 18292) 5985051842184093974300816535141631421840579016813089204757992429854027511644962316188146586160146990919 (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.