Q: Is 660,655 a Prime Number?
A: No, 660,655 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 660655 can be evenly divided by 1 5 71 355 1,861 9,305 132,131 and 660,655, with no remainder.
Since 660,655 cannot be divided by just 1 and 660,655, it is not a prime number.