Q: Is 279,963 a Prime Number?
A: No, 279,963 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 279963 can be evenly divided by 1 3 9 27 10,369 31,107 93,321 and 279,963, with no remainder.
Since 279,963 cannot be divided by just 1 and 279,963, it is not a prime number.