Q: Is 40,173 a Prime Number?
A: No, 40,173 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 40173 can be evenly divided by 1 3 7 21 1,913 5,739 13,391 and 40,173, with no remainder.
Since 40,173 cannot be divided by just 1 and 40,173, it is not a prime number.