Factor Info
| ID | 43839 |
| Size | 158 digits / 523 bits |
| Status | composite |
| Value | 21618983988094437887217398708319889399310715806538419199003165174369503117308536028115512835631120134799914886379281168965821196753959908884971074174722677561 |
Factorizations
| Primary | (ID: 644) 376254926106165750813409 (proven prime) |
| (ID: 43840) 57458341374630481076244010989514146076200845853588338675002796329535332168889187585799901433131001889520976524584330464148034359274329 (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.