A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 6934200 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 25 26 28 30 35 39 40 42 50 52 56 60 65 70 75 78 84 91 100 104 105 120 127 130 140 150 156 168 175 182 195 200 210 254 260 273 280 300 312 325 350 364 381 390 420 455 508 520 525 546 600 635 650 700 728 762 780 840 889 910 975 1,016 1,050 1,092 1,270 1,300 1,365 1,400 1,524 1,560 1,651 1,778 1,820 1,905 1,950 2,100 2,184 2,275 2,540 2,600 2,667 2,730 3,048 3,175 3,302 3,556 3,640 3,810 3,900 4,200 4,445 4,550 4,953 5,080 5,334 5,460 6,350 6,604 6,825 7,112 7,620 7,800 8,255 8,890 9,100 9,525 9,906 10,668 10,920 11,557 12,700 13,208 13,335 13,650 15,240 16,510 17,780 18,200 19,050 19,812 21,336 22,225 23,114 24,765 25,400 26,670 27,300 33,020 34,671 35,560 38,100 39,624 41,275 44,450 46,228 49,530 53,340 54,600 57,785 66,040 66,675 69,342 76,200 82,550 88,900 92,456 99,060 106,680 115,570 123,825 133,350 138,684 165,100 173,355 177,800 198,120 231,140 247,650 266,700 277,368 288,925 330,200 346,710 462,280 495,300 533,400 577,850 693,420 866,775 990,600 1,155,700 1,386,840 1,733,550 2,311,400 3,467,100 and 6,934,200, with no remainder.
Since 6,934,200 cannot be divided by just 1 and 6,934,200, it is not a prime number.