Q: Is 42,538 a Prime Number?
A: No, 42,538 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 42538 can be evenly divided by 1 2 21,269 and 42,538, with no remainder.
Since 42,538 cannot be divided by just 1 and 42,538, it is not a prime number.