Q: Is 278,988 a Prime Number?
A: No, 278,988 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 278988 can be evenly divided by 1 2 3 4 6 12 67 134 201 268 347 402 694 804 1,041 1,388 2,082 4,164 23,249 46,498 69,747 92,996 139,494 and 278,988, with no remainder.
Since 278,988 cannot be divided by just 1 and 278,988, it is not a prime number.