Q: Is 278,672 a Prime Number?
A: No, 278,672 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 278672 can be evenly divided by 1 2 4 8 16 17,417 34,834 69,668 139,336 and 278,672, with no remainder.
Since 278,672 cannot be divided by just 1 and 278,672, it is not a prime number.