Q: Is 279,442 a Prime Number?
A: No, 279,442 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 279442 can be evenly divided by 1 2 139,721 and 279,442, with no remainder.
Since 279,442 cannot be divided by just 1 and 279,442, it is not a prime number.