Factor Info
| ID | 199997 |
| Size | 136 digits / 451 bits |
| Status | composite |
| Value | 4877377239160433691747708222104454859949955391990596399050265316153334925332909442516779779255113492321754328543338120050384640449570581 |
Factorizations
| Primary | (ID: 215317) 135094134046186960540571260475926499 (proven prime) |
| (ID: 215318) 36103545676475639217714780558856894943729558683143761593561935383596883085930966329286113977599882919 (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.