Factor Info
| ID | 163720 |
| Size | 136 digits / 450 bits |
| Status | composite |
| Value | 2615765449660630965958315741759586301536992126322721126892929777802464731863254630163725551337339366956789759538322298681704135650125887 |
Factorizations
| Primary | (ID: 163539) 14573792331000499447808834983946493674563 (proven prime) |
| (ID: 195402) 179484199462382288763256410760077620888251766748195216042074997377789756573236446224359438232149 (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.