Factor Info
| ID | 28781 |
| Size | 145 digits / 480 bits |
| Status | composite |
| Value | 2004447123251993425674835929366450971067183872982323089393826974129714486084188470910892310573161418400322435413721207381144293875875417784014561 |
Factorizations
| Primary | (ID: 28782) 211311163972244819619417326617601756161 (proven prime) |
| (ID: 28783) 9485760645922486250889455831108561582713000272106263548661734063634339928830280217330213261967905671154401 (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.