Factor Info
| ID | 1647 |
| Size | 131 digits / 435 bits |
| Status | composite |
| Value | 49475301103360540667979630708066330868791779230566163938193537304556301110999996052129789760735123853948740125135591298426177754601 |
Factorizations
| Primary | (ID: 9760) 80380915480084570664933066985142827961 (proven prime) |
| (ID: 9761) 615510545107174070865740312380463853699538221902211835318949691234768874903357213031046456241 (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.