Factor Info
| ID | 4007 |
| Size | 173 digits / 573 bits |
| Status | composite |
| Value | 28385065054962229900760268930291338407761581538379995271420849972875790370873772128264847409224181317493113611570762549200976953600738117323327155577033696936629549130256129 |
Factorizations
| Primary | (ID: 11127) 1118498440898880562062959177194663477 (proven prime) |
| (ID: 11128) 25377831579408005599652768254510963788700066158422193127769981306370092640528294575880726571751445105082558521102021640043414094515349277 (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.