Q: Is 1,320,816 a Prime Number?
A: No, 1,320,816 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 1320816 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 3,931 7,862 11,793 15,724 23,586 27,517 31,448 47,172 55,034 62,896 82,551 94,344 110,068 165,102 188,688 220,136 330,204 440,272 660,408 and 1,320,816, with no remainder.
Since 1,320,816 cannot be divided by just 1 and 1,320,816, it is not a prime number.