Q: Is 217,642 a Prime Number?
A: No, 217,642 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 217642 can be evenly divided by 1 2 108,821 and 217,642, with no remainder.
Since 217,642 cannot be divided by just 1 and 217,642, it is not a prime number.