Q: Is 660,684 a Prime Number?
A: No, 660,684 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 660684 can be evenly divided by 1 2 3 4 6 12 55,057 110,114 165,171 220,228 330,342 and 660,684, with no remainder.
Since 660,684 cannot be divided by just 1 and 660,684, it is not a prime number.