Factor Info
| ID | 161521 |
| Size | 152 digits / 502 bits |
| Status | composite |
| Value | 12783707822936937684002970929872641550358324944732951422122856038903262419341844292089591158660717745281536718809507961932092967467185127928344672796721 |
Factorizations
| Primary | (ID: 161152) 195748470438189286256497 (proven prime) |
| (ID: 161522) 65306808243866192118555664479916297178798225457836029028561270177714073040659482025468894689601578009519740027321878540080102593 (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.