Q: Is 280,008 a Prime Number?
A: No, 280,008 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 280008 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 36 72 3,889 7,778 11,667 15,556 23,334 31,112 35,001 46,668 70,002 93,336 140,004 and 280,008, with no remainder.
Since 280,008 cannot be divided by just 1 and 280,008, it is not a prime number.