Q: Is 278,659 a Prime Number?
A: No, 278,659 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 278659 can be evenly divided by 1 31 89 101 2,759 3,131 8,989 and 278,659, with no remainder.
Since 278,659 cannot be divided by just 1 and 278,659, it is not a prime number.