Q: Is 216,908 a Prime Number?
A: No, 216,908 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 216908 can be evenly divided by 1 2 4 211 257 422 514 844 1,028 54,227 108,454 and 216,908, with no remainder.
Since 216,908 cannot be divided by just 1 and 216,908, it is not a prime number.