Q: Is 21,046 a Prime Number?
A: No, 21,046 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 21046 can be evenly divided by 1 2 17 34 619 1,238 10,523 and 21,046, with no remainder.
Since 21,046 cannot be divided by just 1 and 21,046, it is not a prime number.