Q: Is 491,619 a Prime Number?
A: No, 491,619 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 491619 can be evenly divided by 1 3 37 43 103 111 129 309 1,591 3,811 4,429 4,773 11,433 13,287 163,873 and 491,619, with no remainder.
Since 491,619 cannot be divided by just 1 and 491,619, it is not a prime number.