Factor Info
| ID | 81958 |
| Size | 189 digits / 627 bits |
| Status | composite |
| Value | 319682733033585541396091159769493176027540542088804748202690431276058527588427229882108723198293563438376088353487242548578716220976670605337444823315084944306427928218429774741161520716641 |
Factorizations
| Primary | (ID: 57331) 631437852270580200329442665220681951861601 (proven prime) |
| (ID: 81959) 506277429970411233713024077939893503571665369848548730105322654248777911402172425281912283228101849377783629851095313822483270906753908530168791041 (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.