Q: Is 3,316,721 a Prime Number?
A: No, 3,316,721 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 3316721 can be evenly divided by 1 31 97 1,103 3,007 34,193 106,991 and 3,316,721, with no remainder.
Since 3,316,721 cannot be divided by just 1 and 3,316,721, it is not a prime number.