Q: Is 278,472 a Prime Number?
A: No, 278,472 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 278472 can be evenly divided by 1 2 3 4 6 8 12 24 41 82 123 164 246 283 328 492 566 849 984 1,132 1,698 2,264 3,396 6,792 11,603 23,206 34,809 46,412 69,618 92,824 139,236 and 278,472, with no remainder.
Since 278,472 cannot be divided by just 1 and 278,472, it is not a prime number.