Q: Is 278,998 a Prime Number?
A: No, 278,998 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 278998 can be evenly divided by 1 2 199 398 701 1,402 139,499 and 278,998, with no remainder.
Since 278,998 cannot be divided by just 1 and 278,998, it is not a prime number.