A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9236480 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 32 40 41 44 55 64 80 82 88 110 128 160 164 176 205 220 256 320 328 352 410 440 451 512 640 656 704 820 880 902 1,024 1,280 1,312 1,408 1,640 1,760 1,804 2,048 2,255 2,560 2,624 2,816 3,280 3,520 3,608 4,096 4,510 5,120 5,248 5,632 6,560 7,040 7,216 9,020 10,240 10,496 11,264 13,120 14,080 14,432 18,040 20,480 20,992 22,528 26,240 28,160 28,864 36,080 41,984 45,056 52,480 56,320 57,728 72,160 83,968 104,960 112,640 115,456 144,320 167,936 209,920 225,280 230,912 288,640 419,840 461,824 577,280 839,680 923,648 1,154,560 1,847,296 2,309,120 4,618,240 and 9,236,480, with no remainder.
Since 9,236,480 cannot be divided by just 1 and 9,236,480, it is not a prime number.