Q: Is 317,431 a Prime Number?
A: Yes, 317,431 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 317431 can be evenly divided by 1 and 317,431, with no remainder.
Since 317,431 can be divided by just 1 and 317,431, it is a prime number.