Factor Info
| ID | 21937 |
| Size | 111 digits / 368 bits |
| Status | composite |
| Value | 427037918418062513507264098726590659004117021549892199677525122411010013119294136876387921942827136118886945801 |
Factorizations
| Primary | (ID: 21938) 3940374423374379301990321 (proven prime) |
| (ID: 7763) 108374959467015394295379514146164413034604107960472906878045829074006664206851903313881 (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.