Factor Info
| ID | 143306 |
| Size | 180 digits / 598 bits |
| Status | composite |
| Value | 909507837502782785973502149086439227281919166831523506179230932220993334091885474990876788666515950931705851875013646206590187586723109345801977519520239067207557538018228775148813 |
Factorizations
| Primary | (ID: 143307) 20603755953546673983437 (proven prime) |
| (ID: 143308) 44142817433547721857301906226848205481642292862550244688550569944646069871570717656863259461894563141220694788323171195732749906128913297488056141253132829249 (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.