Q: Is 664,508 a Prime Number?
A: No, 664,508 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 664508 can be evenly divided by 1 2 4 13 26 52 169 338 676 983 1,966 3,932 12,779 25,558 51,116 166,127 332,254 and 664,508, with no remainder.
Since 664,508 cannot be divided by just 1 and 664,508, it is not a prime number.