Factor Info
| ID | 15190 |
| Size | 162 digits / 538 bits |
| Status | composite |
| Value | 721105044014339501378836993885249502120149782653974773169927908091097283071186883920261289509286855636683482935467292351798746725405172601588811131395001124069649 |
Factorizations
| Primary | (ID: 15191) 487481767989543289684666695196152913633244690695642497294447279200078757956580209 (proven prime) |
| (ID: 15192) 1479245156158963342937066009758259756247535835509906993597433470777008141221984161 (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.