Q: Is 165,123 a Prime Number?
A: No, 165,123 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 165123 can be evenly divided by 1 3 7 9 21 63 2,621 7,863 18,347 23,589 55,041 and 165,123, with no remainder.
Since 165,123 cannot be divided by just 1 and 165,123, it is not a prime number.