Factor Info
| ID | 16728 |
| Size | 91 digits / 302 bits |
| Status | composite |
| Value | 4480863912919087806330780140801129765202723991554285441047231975205200729827336556186572801 |
Factorizations
| Primary | (ID: 6685) 11419697846380955982026777206637491 (proven prime) |
| (ID: 16729) 392380251491428839184362869324894224798565499317754604411 (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.