A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 3013200 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 31 36 40 45 48 50 54 60 62 72 75 80 81 90 93 100 108 120 124 135 144 150 155 162 180 186 200 216 225 240 243 248 270 279 300 310 324 360 372 400 405 432 450 465 486 496 540 558 600 620 648 675 720 744 775 810 837 900 930 972 1,080 1,116 1,200 1,215 1,240 1,296 1,350 1,395 1,488 1,550 1,620 1,674 1,800 1,860 1,944 2,025 2,160 2,232 2,325 2,430 2,480 2,511 2,700 2,790 3,100 3,240 3,348 3,600 3,720 3,888 4,050 4,185 4,464 4,650 4,860 5,022 5,400 5,580 6,075 6,200 6,480 6,696 6,975 7,440 7,533 8,100 8,370 9,300 9,720 10,044 10,800 11,160 12,150 12,400 12,555 13,392 13,950 15,066 16,200 16,740 18,600 19,440 20,088 20,925 22,320 24,300 25,110 27,900 30,132 32,400 33,480 37,200 37,665 40,176 41,850 48,600 50,220 55,800 60,264 62,775 66,960 75,330 83,700 97,200 100,440 111,600 120,528 125,550 150,660 167,400 188,325 200,880 251,100 301,320 334,800 376,650 502,200 602,640 753,300 1,004,400 1,506,600 and 3,013,200, with no remainder.
Since 3,013,200 cannot be divided by just 1 and 3,013,200, it is not a prime number.