Factor Info
| ID | 18316 |
| Size | 177 digits / 587 bits |
| Status | composite |
| Value | 281351762829307711564708332844092618047232179251530285832460730553168980448694251559625931703410200347494312662188938577820416818906626780091743395213608416746050399840373206873 |
Factorizations
| Primary | (ID: 18317) 1294285248964974863021909311067422276786354955064661561483669329671165989 (proven prime) |
| (ID: 18318) 217380027358189784019728120583833263965409777805477017160436666496373078945737096156202044671136623659557 (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.