Factor Info
| ID | 921 |
| Size | 160 digits / 531 bits |
| Status | composite |
| Value | 4311728480453003837278325207960518890516244322128773190926957773418238489754530120287733968487475552038967078230175972358965127288415808175082226692853760587203 |
Factorizations
| Primary | (ID: 86) 217533000184835774779 (proven prime) |
| (ID: 922) 19821031644805009337855472855234253152365929928662747241290998090770466997875086003888340161251466176303138067711440736092969873216154111257 (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.