Q: Is 21,301 a Prime Number?
A: No, 21,301 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 21301 can be evenly divided by 1 7 17 119 179 1,253 3,043 and 21,301, with no remainder.
Since 21,301 cannot be divided by just 1 and 21,301, it is not a prime number.