Q: Is 20,908 a Prime Number?
A: No, 20,908 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 20908 can be evenly divided by 1 2 4 5,227 10,454 and 20,908, with no remainder.
Since 20,908 cannot be divided by just 1 and 20,908, it is not a prime number.