Factor Info
| ID | 28666 |
| Size | 154 digits / 511 bits |
| Status | composite |
| Value | 6547623880618415939154373254068744382649340039836991499771643007661954339094903524015614159857773531022246946121789341323327434076986087370626339542692813 |
Factorizations
| Primary | (ID: 6790) 132331554743163541916284364878460504933118649 (proven prime) |
| (ID: 28667) 49478931108505521263096357868760304126140194493818274201126801745851981266499700693343064048065114339502477237 (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.