Q: Is 660,165 a Prime Number?
A: No, 660,165 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 660165 can be evenly divided by 1 3 5 11 15 33 55 165 4,001 12,003 20,005 44,011 60,015 132,033 220,055 and 660,165, with no remainder.
Since 660,165 cannot be divided by just 1 and 660,165, it is not a prime number.