Q: Is 40,642 a Prime Number?
A: No, 40,642 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 40642 can be evenly divided by 1 2 7 14 2,903 5,806 20,321 and 40,642, with no remainder.
Since 40,642 cannot be divided by just 1 and 40,642, it is not a prime number.