Factor Info
| ID | 168043 |
| Size | 159 digits / 528 bits |
| Status | composite |
| Value | 721884193795727907505505835775158856034148542071566065249704847992600133888573889152308900148282843877921563472046215887191478050175715547290981587465600585809 |
Factorizations
| Primary | (ID: 131825) 16557682722621587651041257050155686425265489802868579623 (proven prime) |
| (ID: 168044) 43598141472385427990200703008414575176728138639859248875991460020279225134312697137609809864030916067783 (proven prime) |
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.