Q: Is 1,078,728 a Prime Number?
A: No, 1,078,728 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 1078728 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 6,421 12,842 19,263 25,684 38,526 44,947 51,368 77,052 89,894 134,841 154,104 179,788 269,682 359,576 539,364 and 1,078,728, with no remainder.
Since 1,078,728 cannot be divided by just 1 and 1,078,728, it is not a prime number.