Factor Info
| ID | 31389 |
| Size | 158 digits / 523 bits |
| Status | composite |
| Value | 19275393872903647830022879895337609019969497027907738101091561535913072425081986975895763338968462055130189600324728794447235546439932340354665872533141949129 |
Factorizations
| Primary | (ID: 31390) 101581393491504880675707075386832796151766169 (proven prime) |
| (ID: 7946) 189753194068120593913660740497968761858206648680143934423444887370555655202745898033806025126312714464524973329841 (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.