Q: Is 4,978,491 a Prime Number?
A: No, 4,978,491 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 4978491 can be evenly divided by 1 3 7 21 237,071 711,213 1,659,497 and 4,978,491, with no remainder.
Since 4,978,491 cannot be divided by just 1 and 4,978,491, it is not a prime number.