Q: Is 646,939 a Prime Number?
A: No, 646,939 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 646939 can be evenly divided by 1 31 41 509 1,271 15,779 20,869 and 646,939, with no remainder.
Since 646,939 cannot be divided by just 1 and 646,939, it is not a prime number.