Q: Is 173,445 a Prime Number?
A: No, 173,445 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 173445 can be evenly divided by 1 3 5 15 31 93 155 373 465 1,119 1,865 5,595 11,563 34,689 57,815 and 173,445, with no remainder.
Since 173,445 cannot be divided by just 1 and 173,445, it is not a prime number.