Q: Is 279,315 a Prime Number?
A: No, 279,315 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 279315 can be evenly divided by 1 3 5 9 15 27 45 135 2,069 6,207 10,345 18,621 31,035 55,863 93,105 and 279,315, with no remainder.
Since 279,315 cannot be divided by just 1 and 279,315, it is not a prime number.