Q: Is 21,185 a Prime Number?
A: No, 21,185 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 21185 can be evenly divided by 1 5 19 95 223 1,115 4,237 and 21,185, with no remainder.
Since 21,185 cannot be divided by just 1 and 21,185, it is not a prime number.