Q: Is 491,665 a Prime Number?
A: No, 491,665 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 491665 can be evenly divided by 1 5 107 535 919 4,595 98,333 and 491,665, with no remainder.
Since 491,665 cannot be divided by just 1 and 491,665, it is not a prime number.