Q: Is 31,871 a Prime Number?
A: No, 31,871 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 31871 can be evenly divided by 1 7 29 157 203 1,099 4,553 and 31,871, with no remainder.
Since 31,871 cannot be divided by just 1 and 31,871, it is not a prime number.