Q: Is 21,937 a Prime Number?
A: Yes, 21,937 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 21937 can be evenly divided by 1 and 21,937, with no remainder.
Since 21,937 can be divided by just 1 and 21,937, it is a prime number.