Q: Is 20,042 a Prime Number?
A: No, 20,042 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 20042 can be evenly divided by 1 2 11 22 911 1,822 10,021 and 20,042, with no remainder.
Since 20,042 cannot be divided by just 1 and 20,042, it is not a prime number.