Q: Is 21,211 a Prime Number?
A: Yes, 21,211 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 21211 can be evenly divided by 1 and 21,211, with no remainder.
Since 21,211 can be divided by just 1 and 21,211, it is a prime number.