Factor Info
| ID | 158953 |
| Size | 133 digits / 440 bits |
| Status | composite |
| Value | 1537407580639330846341154544784287204978178838116399027856945384024872074982594826452682204254404747580329327617870593214084916915773 |
Factorizations
| Primary | (ID: 158814) 1789008262145448971023 (proven prime) |
| (ID: 158954) 859363041060308628291699055279405406734453709271695885125739918352121055149583644120500002403123277700394443251 (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.