Q: Is 21,927 a Prime Number?
A: No, 21,927 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 21927 can be evenly divided by 1 3 7,309 and 21,927, with no remainder.
Since 21,927 cannot be divided by just 1 and 21,927, it is not a prime number.