Q: Is 5,418,640 a Prime Number?
A: No, 5,418,640 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 5418640 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 67,733 135,466 270,932 338,665 541,864 677,330 1,083,728 1,354,660 2,709,320 and 5,418,640, with no remainder.
Since 5,418,640 cannot be divided by just 1 and 5,418,640, it is not a prime number.