Q: Is 3,967,491 a Prime Number?
A: No, 3,967,491 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 3967491 can be evenly divided by 1 3 11 33 109 327 1,103 1,199 3,309 3,597 12,133 36,399 120,227 360,681 1,322,497 and 3,967,491, with no remainder.
Since 3,967,491 cannot be divided by just 1 and 3,967,491, it is not a prime number.