Factor Info
| ID | 158915 |
| Size | 129 digits / 428 bits |
| Status | composite |
| Value | 513105557510471641480025829398331974708888193289525802571322052317261844444490924275837853454195798015136919456599710555630211563 |
Factorizations
| Primary | (ID: 158916) 3648534830043396481338793 (proven prime) |
| (ID: 158917) 140633317595153298930517599033360927459668646908756648808696439326975860460848463598464773095410903979891 (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.