Factor Info
| ID | 978 |
| Size | 142 digits / 471 bits |
| Status | composite |
| Value | 4120673386529947224700186748027421919139273287795281917468561550454707942803319004771863903809752896726224471224029581168309235207037946097557 |
Factorizations
| Primary | (ID: 19) 10157807305963434099105034917037 (proven prime) |
| (ID: 9459) 405665638499638295288022197670163341037589613006328044565512581067782805363245681996642151169928480537447725961 (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.