Q: Is 491,123 a Prime Number?
A: No, 491,123 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 491123 can be evenly divided by 1 661 743 and 491,123, with no remainder.
Since 491,123 cannot be divided by just 1 and 491,123, it is not a prime number.