Factor Info
| ID | 853 |
| Size | 143 digits / 473 bits |
| Status | composite |
| Value | 15475552480024906650529226166862891381449225174872319212115099347435900758738078399935536610943723764639589557226846046922308204217660396055217 |
Factorizations
| Primary | (ID: 1202) 11155343204218537406813313601234143763016570579820689 (proven prime) |
| (ID: 205) 1387277127804783827114186103186246392258450358171783690079918032136025225954602593712568353 (proven prime) |
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.