Factor Info
| ID | 66553 |
| Size | 135 digits / 447 bits |
| Status | composite |
| Value | 254505473446071539645441891734040827019537209283512087017303844823527553735703121279779235407971542759736645202320402249240704814910281 |
Factorizations
| Primary | (ID: 66554) 31688031645803109827461 (proven prime) |
| (ID: 66555) 8031596165102267141309217810229943406707758960060052167018720469264871247728609795716061170538528172317436037621 (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.