Q: Is 279,800 a Prime Number?
A: No, 279,800 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 279800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 1,399 2,798 5,596 6,995 11,192 13,990 27,980 34,975 55,960 69,950 139,900 and 279,800, with no remainder.
Since 279,800 cannot be divided by just 1 and 279,800, it is not a prime number.