A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 7034040 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 90 104 108 117 120 130 135 156 162 167 180 195 216 234 260 270 312 324 334 351 360 390 405 468 501 520 540 585 648 668 702 780 810 835 936 1,002 1,053 1,080 1,170 1,336 1,404 1,503 1,560 1,620 1,670 1,755 2,004 2,106 2,171 2,340 2,505 2,808 3,006 3,240 3,340 3,510 4,008 4,212 4,342 4,509 4,680 5,010 5,265 6,012 6,513 6,680 7,020 7,515 8,424 8,684 9,018 10,020 10,530 10,855 12,024 13,026 13,527 14,040 15,030 17,368 18,036 19,539 20,040 21,060 21,710 22,545 26,052 27,054 30,060 32,565 36,072 39,078 42,120 43,420 45,090 52,104 54,108 58,617 60,120 65,130 67,635 78,156 86,840 90,180 97,695 108,216 117,234 130,260 135,270 156,312 175,851 180,360 195,390 234,468 260,520 270,540 293,085 351,702 390,780 468,936 541,080 586,170 703,404 781,560 879,255 1,172,340 1,406,808 1,758,510 2,344,680 3,517,020 and 7,034,040, with no remainder.
Since 7,034,040 cannot be divided by just 1 and 7,034,040, it is not a prime number.