Factor Info
| ID | 163970 |
| Size | 171 digits / 567 bits |
| Status | composite |
| Value | 442455391781210894309426050152379854192910819227281161435526558179207980279007831251701907144798366798818253758434842386239298717150784433465423329618739764680139617947889 |
Factorizations
| Primary | (ID: 165383) 49260737375761493291697834001 (proven prime) |
| (ID: 195638) 8981907607394422035278059116942170217400188095147461750931662405380408385313712947836633505005131269092715019946005019835217351940262729521889 (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.