A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4340100 can be evenly divided by 1 2 3 4 5 6 10 12 15 17 20 23 25 30 34 37 46 50 51 60 68 69 74 75 85 92 100 102 111 115 138 148 150 170 185 204 222 230 255 276 300 340 345 370 391 425 444 460 510 555 575 629 690 740 782 850 851 925 1,020 1,110 1,150 1,173 1,258 1,275 1,380 1,564 1,700 1,702 1,725 1,850 1,887 1,955 2,220 2,300 2,346 2,516 2,550 2,553 2,775 3,145 3,404 3,450 3,700 3,774 3,910 4,255 4,692 5,100 5,106 5,550 5,865 6,290 6,900 7,548 7,820 8,510 9,435 9,775 10,212 11,100 11,730 12,580 12,765 14,467 15,725 17,020 18,870 19,550 21,275 23,460 25,530 28,934 29,325 31,450 37,740 39,100 42,550 43,401 47,175 51,060 57,868 58,650 62,900 63,825 72,335 85,100 86,802 94,350 117,300 127,650 144,670 173,604 188,700 217,005 255,300 289,340 361,675 434,010 723,350 868,020 1,085,025 1,446,700 2,170,050 and 4,340,100, with no remainder.
Since 4,340,100 cannot be divided by just 1 and 4,340,100, it is not a prime number.