A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4532400 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1,200 1,259 1,800 2,518 3,600 3,777 5,036 6,295 7,554 10,072 11,331 12,590 15,108 18,885 20,144 22,662 25,180 30,216 31,475 37,770 45,324 50,360 56,655 60,432 62,950 75,540 90,648 94,425 100,720 113,310 125,900 151,080 181,296 188,850 226,620 251,800 283,275 302,160 377,700 453,240 503,600 566,550 755,400 906,480 1,133,100 1,510,800 2,266,200 and 4,532,400, with no remainder.
Since 4,532,400 cannot be divided by just 1 and 4,532,400, it is not a prime number.