Factor Info
| ID | 149663 |
| Size | 75 digits / 249 bits |
| Status | composite |
| Value | 537037278147407909682662993338962714682365431600193496718595326934278481331 |
Factorizations
| Primary | (ID: 149623) 12139270932215509058971 (proven prime) |
| (ID: 149664) 44239664898013321738694658016521051099258908813897161 (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.