A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4828800 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 300 320 384 400 480 503 600 640 800 960 1,006 1,200 1,509 1,600 1,920 2,012 2,400 2,515 3,018 3,200 4,024 4,800 5,030 6,036 7,545 8,048 9,600 10,060 12,072 12,575 15,090 16,096 20,120 24,144 25,150 30,180 32,192 37,725 40,240 48,288 50,300 60,360 64,384 75,450 80,480 96,576 100,600 120,720 150,900 160,960 193,152 201,200 241,440 301,800 321,920 402,400 482,880 603,600 804,800 965,760 1,207,200 1,609,600 2,414,400 and 4,828,800, with no remainder.
Since 4,828,800 cannot be divided by just 1 and 4,828,800, it is not a prime number.