Q: Is 491,181 a Prime Number?
A: No, 491,181 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 491181 can be evenly divided by 1 3 17 51 9,631 28,893 163,727 and 491,181, with no remainder.
Since 491,181 cannot be divided by just 1 and 491,181, it is not a prime number.