Q: Is 78,173 a Prime Number?
A: Yes, 78,173 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 78173 can be evenly divided by 1 and 78,173, with no remainder.
Since 78,173 can be divided by just 1 and 78,173, it is a prime number.