A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5434704 can be evenly divided by 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 47 48 66 72 73 88 94 99 132 141 144 146 176 188 198 219 264 282 292 376 396 423 438 517 528 564 584 657 752 792 803 846 876 1,034 1,128 1,168 1,314 1,551 1,584 1,606 1,692 1,752 2,068 2,256 2,409 2,628 3,102 3,212 3,384 3,431 3,504 4,136 4,653 4,818 5,256 6,204 6,424 6,768 6,862 7,227 8,272 9,306 9,636 10,293 10,512 12,408 12,848 13,724 14,454 18,612 19,272 20,586 24,816 27,448 28,908 30,879 37,224 37,741 38,544 41,172 54,896 57,816 61,758 74,448 75,482 82,344 113,223 115,632 123,516 150,964 164,688 226,446 247,032 301,928 339,669 452,892 494,064 603,856 679,338 905,784 1,358,676 1,811,568 2,717,352 and 5,434,704, with no remainder.
Since 5,434,704 cannot be divided by just 1 and 5,434,704, it is not a prime number.