A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8808480 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1,080 1,440 2,039 2,160 4,078 4,320 6,117 8,156 10,195 12,234 16,312 18,351 20,390 24,468 30,585 32,624 36,702 40,780 48,936 55,053 61,170 65,248 73,404 81,560 91,755 97,872 110,106 122,340 146,808 163,120 183,510 195,744 220,212 244,680 275,265 293,616 326,240 367,020 440,424 489,360 550,530 587,232 734,040 880,848 978,720 1,101,060 1,468,080 1,761,696 2,202,120 2,936,160 4,404,240 and 8,808,480, with no remainder.
Since 8,808,480 cannot be divided by just 1 and 8,808,480, it is not a prime number.