Q: Is 491,815 a Prime Number?
A: No, 491,815 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 491815 can be evenly divided by 1 5 19 31 95 155 167 589 835 2,945 3,173 5,177 15,865 25,885 98,363 and 491,815, with no remainder.
Since 491,815 cannot be divided by just 1 and 491,815, it is not a prime number.