Q: Is 21,412 a Prime Number?
A: No, 21,412 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 21412 can be evenly divided by 1 2 4 53 101 106 202 212 404 5,353 10,706 and 21,412, with no remainder.
Since 21,412 cannot be divided by just 1 and 21,412, it is not a prime number.