Q: Is 1,128,816 a Prime Number?
A: No, 1,128,816 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 1128816 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 67 72 78 81 104 108 117 134 144 156 162 201 208 216 234 268 312 324 351 402 432 468 536 603 624 648 702 804 871 936 1,053 1,072 1,206 1,296 1,404 1,608 1,742 1,809 1,872 2,106 2,412 2,613 2,808 3,216 3,484 3,618 4,212 4,824 5,226 5,427 5,616 6,968 7,236 7,839 8,424 9,648 10,452 10,854 13,936 14,472 15,678 16,848 20,904 21,708 23,517 28,944 31,356 41,808 43,416 47,034 62,712 70,551 86,832 94,068 125,424 141,102 188,136 282,204 376,272 564,408 and 1,128,816, with no remainder.
Since 1,128,816 cannot be divided by just 1 and 1,128,816, it is not a prime number.