Q: Is 126,511 a Prime Number?
A: No, 126,511 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 126511 can be evenly divided by 1 7 11 31 53 77 217 341 371 583 1,643 2,387 4,081 11,501 18,073 and 126,511, with no remainder.
Since 126,511 cannot be divided by just 1 and 126,511, it is not a prime number.