Q: Is 655,660 a Prime Number?
A: No, 655,660 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 655660 can be evenly divided by 1 2 4 5 10 20 32,783 65,566 131,132 163,915 327,830 and 655,660, with no remainder.
Since 655,660 cannot be divided by just 1 and 655,660, it is not a prime number.