Factor Info
| ID | 16904 |
| Size | 139 digits / 460 bits |
| Status | composite |
| Value | 1515028553078940118224461046096491348816257063418394946551803169753992879394554738654965827156293699329383566489407021636062207223173392651 |
Factorizations
| Primary | (ID: 16318) 114223618784447712095364474974480764422513325227090232439 (proven prime) |
| (ID: 16905) 13263706483839935039282091600845743927450307950710544046874853586856167990675671309 (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.