Factor Info
| ID | 131898 |
| Size | 152 digits / 503 bits |
| Status | composite |
| Value | 21166876331971387746342089577244320357088544483138729127926235943264615359197622936287595349128045585153282102434344471563651461461978108271501188887929 |
Factorizations
| Primary | (ID: 131728) 7826081384442721874824416529 (proven prime) |
| (ID: 131899) 2704658345880290724650412355374601491048992041325503508151441553994966571797148652902803716239287475255637503201071451226601 (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.