Q: Is 159,605 a Prime Number?
A: No, 159,605 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 159605 can be evenly divided by 1 5 137 233 685 1,165 31,921 and 159,605, with no remainder.
Since 159,605 cannot be divided by just 1 and 159,605, it is not a prime number.