Q: Is 1,005,491 a Prime Number?
A: No, 1,005,491 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 1005491 can be evenly divided by 1 23 43,717 and 1,005,491, with no remainder.
Since 1,005,491 cannot be divided by just 1 and 1,005,491, it is not a prime number.