Q: Is 21,622 a Prime Number?
A: No, 21,622 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 21622 can be evenly divided by 1 2 19 38 569 1,138 10,811 and 21,622, with no remainder.
Since 21,622 cannot be divided by just 1 and 21,622, it is not a prime number.