Factor Info
| ID | 42857 |
| Size | 131 digits / 433 bits |
| Status | composite |
| Value | 13365362956934293311677633167513603348141628399435643437491796644263616930600318984100907406653010970125176152344077631770517225651 |
Factorizations
| Primary | (ID: 1835) 6193410824599987343851 (proven prime) |
| (ID: 784) 2157997157858088557649401534583813882214205687497374644758503343168363315145494558258584088888088998278451801 (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.