Q: Is 3,966,427 a Prime Number?
A: No, 3,966,427 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 3966427 can be evenly divided by 1 97 103 397 9,991 38,509 40,891 and 3,966,427, with no remainder.
Since 3,966,427 cannot be divided by just 1 and 3,966,427, it is not a prime number.