Q: Is 158,542 a Prime Number?
A: No, 158,542 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 158542 can be evenly divided by 1 2 17 34 4,663 9,326 79,271 and 158,542, with no remainder.
Since 158,542 cannot be divided by just 1 and 158,542, it is not a prime number.