Factor Info
| ID | 171537 |
| Size | 207 digits / 686 bits |
| Status | composite |
| Value | 178717276318546396818950494233065949161422248540358826621438794562359421159117539703852485558856787478008624660830395868102744239379881444166435115388704199356175528756069389591533158113059498798777083801577 |
Factorizations
| Primary | (ID: 171538) 133305064026205120554293842068289729063971238789136386454720362868892566492504796676399591 (proven prime) |
| (ID: 136481) 1340663819668652196151778627618820919162438479039584195854984163373080111285603355812898815448531485387561410432828847 (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.