A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4943120 can be evenly divided by 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 49 52 56 65 70 80 91 97 98 104 112 130 140 182 194 196 208 245 260 280 364 388 392 455 485 490 520 560 637 679 728 776 784 910 970 980 1,040 1,261 1,274 1,358 1,456 1,552 1,820 1,940 1,960 2,522 2,548 2,716 3,185 3,395 3,640 3,880 3,920 4,753 5,044 5,096 5,432 6,305 6,370 6,790 7,280 7,760 8,827 9,506 10,088 10,192 10,864 12,610 12,740 13,580 17,654 19,012 20,176 23,765 25,220 25,480 27,160 35,308 38,024 44,135 47,530 50,440 50,960 54,320 61,789 70,616 76,048 88,270 95,060 100,880 123,578 141,232 176,540 190,120 247,156 308,945 353,080 380,240 494,312 617,890 706,160 988,624 1,235,780 2,471,560 and 4,943,120, with no remainder.
Since 4,943,120 cannot be divided by just 1 and 4,943,120, it is not a prime number.