A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2096100 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 17 18 20 25 30 34 36 45 50 51 60 68 75 85 90 100 102 137 150 153 170 180 204 225 255 274 300 306 340 411 425 450 510 548 612 685 765 822 850 900 1,020 1,233 1,275 1,370 1,530 1,644 1,700 2,055 2,329 2,466 2,550 2,740 3,060 3,425 3,825 4,110 4,658 4,932 5,100 6,165 6,850 6,987 7,650 8,220 9,316 10,275 11,645 12,330 13,700 13,974 15,300 20,550 20,961 23,290 24,660 27,948 30,825 34,935 41,100 41,922 46,580 58,225 61,650 69,870 83,844 104,805 116,450 123,300 139,740 174,675 209,610 232,900 349,350 419,220 524,025 698,700 1,048,050 and 2,096,100, with no remainder.
Since 2,096,100 cannot be divided by just 1 and 2,096,100, it is not a prime number.