Factor Info
| ID | 81403 |
| Size | 108 digits / 358 bits |
| Status | composite |
| Value | 336264666593534195055713143749934850180168449625932909849021259879727108404550503471666749862827523493777637 |
Factorizations
| Primary | (ID: 81404) 16278392225722146413629573194121 (proven prime) |
| (ID: 81405) 20657117848664979657435197608176695859711200901224131369209931248872274159997 (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.