Q: Is 660,066 a Prime Number?
A: No, 660,066 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 660066 can be evenly divided by 1 2 3 6 11 22 33 66 73 137 146 219 274 411 438 803 822 1,507 1,606 2,409 3,014 4,521 4,818 9,042 10,001 20,002 30,003 60,006 110,011 220,022 330,033 and 660,066, with no remainder.
Since 660,066 cannot be divided by just 1 and 660,066, it is not a prime number.