Q: Is 1,078,840 a Prime Number?
A: No, 1,078,840 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 1078840 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 3,853 7,706 15,412 19,265 26,971 30,824 38,530 53,942 77,060 107,884 134,855 154,120 215,768 269,710 539,420 and 1,078,840, with no remainder.
Since 1,078,840 cannot be divided by just 1 and 1,078,840, it is not a prime number.