Factor Info
| ID | 81438 |
| Size | 168 digits / 558 bits |
| Status | composite |
| Value | 669953716681074268280950093412409085958444886905176569958141455096186990599455765890157910680665156680983749613021191300302660835398655950966577302013936251960342844011 |
Factorizations
| Primary | (ID: 81439) 3103763922605303978062341089864922886601 (proven prime) |
| (ID: 57304) 215852021412348313599367249364118398396570711073569432687969909324318135053411976563725342372448388103421487244922531063139851411 (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.