Q: Is 6,780,042 a Prime Number?
A: No, 6,780,042 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 6780042 can be evenly divided by 1 2 3 6 9 17 18 34 51 102 153 306 22,157 44,314 66,471 132,942 199,413 376,669 398,826 753,338 1,130,007 2,260,014 3,390,021 and 6,780,042, with no remainder.
Since 6,780,042 cannot be divided by just 1 and 6,780,042, it is not a prime number.