Q: Is 21,102 a Prime Number?
A: No, 21,102 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 21102 can be evenly divided by 1 2 3 6 3,517 7,034 10,551 and 21,102, with no remainder.
Since 21,102 cannot be divided by just 1 and 21,102, it is not a prime number.