Q: Is 159,975 a Prime Number?
A: No, 159,975 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 159975 can be evenly divided by 1 3 5 9 15 25 27 45 75 79 81 135 225 237 395 405 675 711 1,185 1,975 2,025 2,133 3,555 5,925 6,399 10,665 17,775 31,995 53,325 and 159,975, with no remainder.
Since 159,975 cannot be divided by just 1 and 159,975, it is not a prime number.