Q: Is 21,382 a Prime Number?
A: No, 21,382 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 21382 can be evenly divided by 1 2 10,691 and 21,382, with no remainder.
Since 21,382 cannot be divided by just 1 and 21,382, it is not a prime number.