Q: Is 842,139 a Prime Number?
A: No, 842,139 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 842139 can be evenly divided by 1 3 9 137 411 683 1,233 2,049 6,147 93,571 280,713 and 842,139, with no remainder.
Since 842,139 cannot be divided by just 1 and 842,139, it is not a prime number.