Factor Info
| ID | 163781 |
| Size | 120 digits / 397 bits |
| Status | composite |
| Value | 252096829237717510675312284960798123747145816323719928641807339552283170977560816738277306815215946848279944925675108251 |
Factorizations
| Primary | (ID: 163530) 39879421520336710536871 (proven prime) |
| (ID: 163782) 6321476581829540111684824824068453465377401974785165419627336933822050745680565404393082524172781 (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.