A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2062410 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 49 61 69 70 98 105 115 122 138 147 161 183 210 230 245 294 305 322 345 366 427 483 490 610 690 735 805 854 915 966 1,127 1,281 1,403 1,470 1,610 1,830 2,135 2,254 2,415 2,562 2,806 2,989 3,381 4,209 4,270 4,830 5,635 5,978 6,405 6,762 7,015 8,418 8,967 9,821 11,270 12,810 14,030 14,945 16,905 17,934 19,642 21,045 29,463 29,890 33,810 42,090 44,835 49,105 58,926 68,747 89,670 98,210 137,494 147,315 206,241 294,630 343,735 412,482 687,470 1,031,205 and 2,062,410, with no remainder.
Since 2,062,410 cannot be divided by just 1 and 2,062,410, it is not a prime number.