Q: Is 317,145 a Prime Number?
A: No, 317,145 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 317145 can be evenly divided by 1 3 5 15 21,143 63,429 105,715 and 317,145, with no remainder.
Since 317,145 cannot be divided by just 1 and 317,145, it is not a prime number.