A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4704960 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 32 39 40 48 52 58 60 64 65 78 80 87 96 104 116 120 130 145 156 160 169 174 192 195 208 232 240 260 290 312 320 338 348 377 390 416 435 464 480 507 520 580 624 676 696 754 780 832 845 870 928 960 1,014 1,040 1,131 1,160 1,248 1,352 1,392 1,508 1,560 1,690 1,740 1,856 1,885 2,028 2,080 2,262 2,320 2,496 2,535 2,704 2,784 3,016 3,120 3,380 3,480 3,770 4,056 4,160 4,524 4,640 4,901 5,070 5,408 5,568 5,655 6,032 6,240 6,760 6,960 7,540 8,112 9,048 9,280 9,802 10,140 10,816 11,310 12,064 12,480 13,520 13,920 14,703 15,080 16,224 18,096 19,604 20,280 22,620 24,128 24,505 27,040 27,840 29,406 30,160 32,448 36,192 39,208 40,560 45,240 49,010 54,080 58,812 60,320 72,384 73,515 78,416 81,120 90,480 98,020 117,624 120,640 147,030 156,832 162,240 180,960 196,040 235,248 294,060 313,664 361,920 392,080 470,496 588,120 784,160 940,992 1,176,240 1,568,320 2,352,480 and 4,704,960, with no remainder.
Since 4,704,960 cannot be divided by just 1 and 4,704,960, it is not a prime number.