Q: Is 21,002 a Prime Number?
A: No, 21,002 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 21002 can be evenly divided by 1 2 10,501 and 21,002, with no remainder.
Since 21,002 cannot be divided by just 1 and 21,002, it is not a prime number.