Factor Info
| ID | 21837 |
| Size | 122 digits / 405 bits |
| Status | composite |
| Value | 47970052259069942979227791513152485524434315778652135414761895602670319218785159653550549660800492779383039254395575340221 |
Factorizations
| Primary | (ID: 7729) 12185192600132570384611238029 (proven prime) |
| (ID: 30578) 3936749613506153900993500753505419837042533441973787239933754480015306255446906271998841899249 (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.