Q: Is 158,500 a Prime Number?
A: No, 158,500 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 158500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 317 500 634 1,268 1,585 3,170 6,340 7,925 15,850 31,700 39,625 79,250 and 158,500, with no remainder.
Since 158,500 cannot be divided by just 1 and 158,500, it is not a prime number.