A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4714848 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 68 72 81 96 102 107 108 136 144 153 162 204 214 216 272 288 306 321 324 408 428 432 459 544 612 642 648 816 856 864 918 963 1,224 1,284 1,296 1,377 1,632 1,712 1,819 1,836 1,926 2,448 2,568 2,592 2,754 2,889 3,424 3,638 3,672 3,852 4,896 5,136 5,457 5,508 5,778 7,276 7,344 7,704 8,667 10,272 10,914 11,016 11,556 14,552 14,688 15,408 16,371 17,334 21,828 22,032 23,112 29,104 30,816 32,742 34,668 43,656 44,064 46,224 49,113 58,208 65,484 69,336 87,312 92,448 98,226 130,968 138,672 147,339 174,624 196,452 261,936 277,344 294,678 392,904 523,872 589,356 785,808 1,178,712 1,571,616 2,357,424 and 4,714,848, with no remainder.
Since 4,714,848 cannot be divided by just 1 and 4,714,848, it is not a prime number.