Factor Info
| ID | 81605 |
| Size | 131 digits / 433 bits |
| Status | composite |
| Value | 17151680936235166365749876964086281925606399846438535283076694347623696042965736008176343605257359232379786949830542719017537132401 |
Factorizations
| Primary | (ID: 81606) 21501568166958140736048377191561 (proven prime) |
| (ID: 81607) 797694419451343698219219625134230249335528535615260351327386105259603439572914031673063909865814441 (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.