Q: Is 171,623 a Prime Number?
A: No, 171,623 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 171623 can be evenly divided by 1 73 2,351 and 171,623, with no remainder.
Since 171,623 cannot be divided by just 1 and 171,623, it is not a prime number.