Q: Is 31,407 a Prime Number?
A: No, 31,407 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 31407 can be evenly divided by 1 3 19 29 57 87 361 551 1,083 1,653 10,469 and 31,407, with no remainder.
Since 31,407 cannot be divided by just 1 and 31,407, it is not a prime number.