Q: Is 21,271 a Prime Number?
A: No, 21,271 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 21271 can be evenly divided by 1 89 239 and 21,271, with no remainder.
Since 21,271 cannot be divided by just 1 and 21,271, it is not a prime number.