Q: Is 31,671 a Prime Number?
A: No, 31,671 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 31671 can be evenly divided by 1 3 9 17 23 27 51 69 81 153 207 391 459 621 1,173 1,377 1,863 3,519 10,557 and 31,671, with no remainder.
Since 31,671 cannot be divided by just 1 and 31,671, it is not a prime number.