Q: Is 279,550 a Prime Number?
A: No, 279,550 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 279550 can be evenly divided by 1 2 5 10 25 50 5,591 11,182 27,955 55,910 139,775 and 279,550, with no remainder.
Since 279,550 cannot be divided by just 1 and 279,550, it is not a prime number.