Q: Is 800,642 a Prime Number?
A: No, 800,642 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 800642 can be evenly divided by 1 2 400,321 and 800,642, with no remainder.
Since 800,642 cannot be divided by just 1 and 800,642, it is not a prime number.