Q: Is 2,040,816 a Prime Number?
A: No, 2,040,816 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 2040816 can be evenly divided by 1 2 3 4 6 8 12 16 17 24 34 41 48 51 61 68 82 102 122 123 136 164 183 204 244 246 272 328 366 408 488 492 656 697 732 816 976 984 1,037 1,394 1,464 1,968 2,074 2,091 2,501 2,788 2,928 3,111 4,148 4,182 5,002 5,576 6,222 7,503 8,296 8,364 10,004 11,152 12,444 15,006 16,592 16,728 20,008 24,888 30,012 33,456 40,016 42,517 49,776 60,024 85,034 120,048 127,551 170,068 255,102 340,136 510,204 680,272 1,020,408 and 2,040,816, with no remainder.
Since 2,040,816 cannot be divided by just 1 and 2,040,816, it is not a prime number.