Q: Is 646,995 a Prime Number?
A: No, 646,995 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 646995 can be evenly divided by 1 3 5 15 43,133 129,399 215,665 and 646,995, with no remainder.
Since 646,995 cannot be divided by just 1 and 646,995, it is not a prime number.