Q: Is 278,675 a Prime Number?
A: No, 278,675 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 278675 can be evenly divided by 1 5 25 71 157 355 785 1,775 3,925 11,147 55,735 and 278,675, with no remainder.
Since 278,675 cannot be divided by just 1 and 278,675, it is not a prime number.