A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2339200 can be evenly divided by 1 2 4 5 8 10 16 17 20 25 32 34 40 43 50 64 68 80 85 86 100 128 136 160 170 172 200 215 272 320 340 344 400 425 430 544 640 680 688 731 800 850 860 1,075 1,088 1,360 1,376 1,462 1,600 1,700 1,720 2,150 2,176 2,720 2,752 2,924 3,200 3,400 3,440 3,655 4,300 5,440 5,504 5,848 6,800 6,880 7,310 8,600 10,880 11,696 13,600 13,760 14,620 17,200 18,275 23,392 27,200 27,520 29,240 34,400 36,550 46,784 54,400 58,480 68,800 73,100 93,568 116,960 137,600 146,200 233,920 292,400 467,840 584,800 1,169,600 and 2,339,200, with no remainder.
Since 2,339,200 cannot be divided by just 1 and 2,339,200, it is not a prime number.