Factor Info
| ID | 3981 |
| Size | 174 digits / 578 bits |
| Status | composite |
| Value | 626842870122774528628138605533248942458014772648014769334685590569113809806030873484345988856441516887386046326198191353582723256326335170428104911813856987079891327339694041 |
Factorizations
| Primary | (ID: 5688) 256582225885581001782477601 (proven prime) |
| (ID: 5689) 2443048687255155826812831208723619240369579276969304042965261229238834389292379524530441104722153728536320524301091299398748840533328125858399872441 (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.