Factor Info
| ID | 161129 |
| Size | 166 digits / 550 bits |
| Status | composite |
| Value | 2854036401781042512532270103620138221596930946895871265941008708488526132230022244781600082852151614399578221316490195389725560603763471463379804386072045972852641239 |
Factorizations
| Primary | (ID: 193550) 21210336985473087410517578984036896236119526685671542407110016993622228871564767 (proven prime) |
| (ID: 160989) 134558748582625806055897027967437546362909591194322144995329634696463523013355669540617 (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.