Q: Is 2,678,427 a Prime Number?
A: No, 2,678,427 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 2678427 can be evenly divided by 1 3 9 27 43 81 129 387 769 1,161 2,307 3,483 6,921 20,763 33,067 62,289 99,201 297,603 892,809 and 2,678,427, with no remainder.
Since 2,678,427 cannot be divided by just 1 and 2,678,427, it is not a prime number.