Factor Info
| ID | 15580 |
| Size | 187 digits / 620 bits |
| Status | composite |
| Value | 2196973687884574738666143486961060169243102124443656265775758900047318677709927683009716522703718332997664690959451721596510397188824219305296783701553783030778216089531642927259855925339 |
Factorizations
| Primary | (ID: 15581) 686365986948653525165604750785312728028320258346396663164243580809589457188485044315521 (proven prime) |
| (ID: 11166) 3200877854760201765189686240178650665787305384308641898388890911033891323416400473331390370691357659 (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.