Q: Is 172,443 a Prime Number?
A: No, 172,443 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 172443 can be evenly divided by 1 3 47 141 1,223 3,669 57,481 and 172,443, with no remainder.
Since 172,443 cannot be divided by just 1 and 172,443, it is not a prime number.