Q: Is 31,443 a Prime Number?
A: No, 31,443 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 31443 can be evenly divided by 1 3 47 141 223 669 10,481 and 31,443, with no remainder.
Since 31,443 cannot be divided by just 1 and 31,443, it is not a prime number.