Q: Is 21,033 a Prime Number?
A: No, 21,033 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 21033 can be evenly divided by 1 3 9 19 27 41 57 123 171 369 513 779 1,107 2,337 7,011 and 21,033, with no remainder.
Since 21,033 cannot be divided by just 1 and 21,033, it is not a prime number.