Q: Is 640,349 a Prime Number?
A: No, 640,349 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 640349 can be evenly divided by 1 29 71 311 2,059 9,019 22,081 and 640,349, with no remainder.
Since 640,349 cannot be divided by just 1 and 640,349, it is not a prime number.