Q: Is 279,738 a Prime Number?
A: No, 279,738 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 279738 can be evenly divided by 1 2 3 6 9 18 15,541 31,082 46,623 93,246 139,869 and 279,738, with no remainder.
Since 279,738 cannot be divided by just 1 and 279,738, it is not a prime number.