Q: Is 665,008 a Prime Number?
A: No, 665,008 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 665008 can be evenly divided by 1 2 4 8 16 89 178 356 467 712 934 1,424 1,868 3,736 7,472 41,563 83,126 166,252 332,504 and 665,008, with no remainder.
Since 665,008 cannot be divided by just 1 and 665,008, it is not a prime number.