A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2002140 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 227 245 252 294 315 420 441 454 490 588 630 681 735 882 908 980 1,135 1,260 1,362 1,470 1,589 1,764 2,043 2,205 2,270 2,724 2,940 3,178 3,405 4,086 4,410 4,540 4,767 6,356 6,810 7,945 8,172 8,820 9,534 10,215 11,123 13,620 14,301 15,890 19,068 20,430 22,246 23,835 28,602 31,780 33,369 40,860 44,492 47,670 55,615 57,204 66,738 71,505 95,340 100,107 111,230 133,476 143,010 166,845 200,214 222,460 286,020 333,690 400,428 500,535 667,380 1,001,070 and 2,002,140, with no remainder.
Since 2,002,140 cannot be divided by just 1 and 2,002,140, it is not a prime number.