A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 3327600 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 47 48 50 59 60 75 80 94 100 118 120 141 150 177 188 200 235 236 240 282 295 300 354 376 400 470 472 564 590 600 705 708 752 885 940 944 1,128 1,175 1,180 1,200 1,410 1,416 1,475 1,770 1,880 2,256 2,350 2,360 2,773 2,820 2,832 2,950 3,525 3,540 3,760 4,425 4,700 4,720 5,546 5,640 5,900 7,050 7,080 8,319 8,850 9,400 11,092 11,280 11,800 13,865 14,100 14,160 16,638 17,700 18,800 22,184 23,600 27,730 28,200 33,276 35,400 41,595 44,368 55,460 56,400 66,552 69,325 70,800 83,190 110,920 133,104 138,650 166,380 207,975 221,840 277,300 332,760 415,950 554,600 665,520 831,900 1,109,200 1,663,800 and 3,327,600, with no remainder.
Since 3,327,600 cannot be divided by just 1 and 3,327,600, it is not a prime number.