Q: Is 491,091 a Prime Number?
A: No, 491,091 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 491091 can be evenly divided by 1 3 163,697 and 491,091, with no remainder.
Since 491,091 cannot be divided by just 1 and 491,091, it is not a prime number.