A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9296672 can be evenly divided by 1 2 4 7 8 11 14 16 22 28 32 44 49 56 77 88 98 112 121 154 176 196 224 242 308 343 352 392 484 539 616 686 784 847 968 1,078 1,232 1,372 1,568 1,694 1,936 2,156 2,401 2,464 2,744 3,388 3,773 3,872 4,312 4,802 5,488 5,929 6,776 7,546 8,624 9,604 10,976 11,858 13,552 15,092 17,248 19,208 23,716 26,411 27,104 30,184 38,416 41,503 47,432 52,822 60,368 76,832 83,006 94,864 105,644 120,736 166,012 189,728 211,288 290,521 332,024 422,576 581,042 664,048 845,152 1,162,084 1,328,096 2,324,168 4,648,336 and 9,296,672, with no remainder.
Since 9,296,672 cannot be divided by just 1 and 9,296,672, it is not a prime number.