A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4425600 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 96 100 120 128 150 160 192 200 240 300 320 384 400 461 480 600 640 800 922 960 1,200 1,383 1,600 1,844 1,920 2,305 2,400 2,766 3,200 3,688 4,610 4,800 5,532 6,915 7,376 9,220 9,600 11,064 11,525 13,830 14,752 18,440 22,128 23,050 27,660 29,504 34,575 36,880 44,256 46,100 55,320 59,008 69,150 73,760 88,512 92,200 110,640 138,300 147,520 177,024 184,400 221,280 276,600 295,040 368,800 442,560 553,200 737,600 885,120 1,106,400 1,475,200 2,212,800 and 4,425,600, with no remainder.
Since 4,425,600 cannot be divided by just 1 and 4,425,600, it is not a prime number.