Factor Info
| ID | 131805 |
| Size | 85 digits / 281 bits |
| Status | composite |
| Value | 1999702205824883198341365155420980397665675942646150398278849614951354848650948269639 |
Factorizations
| Primary | (ID: 131683) 4718573764413203147069 (proven prime) |
| (ID: 131806) 423793778727450720268727178000375865764032441317913600678104531 (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.