Factor Info
| ID | 17816 |
| Size | 143 digits / 473 bits |
| Status | composite |
| Value | 15969720779355267386607762388918813055674563528048389881288155446873656657523947937963813767521133983905782824837155462433491276497135028099581 |
Factorizations
| Primary | (ID: 17184) 128540676570302588488814103693493316947 (proven prime) |
| (ID: 17817) 124238655073679873970160175260761245926320387586481265715841920367984099349214919052003169032659465773423 (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.