A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2302650 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 17 18 21 25 30 34 35 42 43 45 50 51 63 70 75 85 86 90 102 105 119 126 129 150 153 170 175 210 215 225 238 255 258 301 306 315 350 357 387 425 430 450 510 525 595 602 630 645 714 731 765 774 850 903 1,050 1,071 1,075 1,190 1,275 1,290 1,462 1,505 1,530 1,575 1,785 1,806 1,935 2,142 2,150 2,193 2,550 2,709 2,975 3,010 3,150 3,225 3,570 3,655 3,825 3,870 4,386 4,515 5,117 5,355 5,418 5,950 6,450 6,579 7,310 7,525 7,650 8,925 9,030 9,675 10,234 10,710 10,965 13,158 13,545 15,050 15,351 17,850 18,275 19,350 21,930 22,575 25,585 26,775 27,090 30,702 32,895 36,550 45,150 46,053 51,170 53,550 54,825 65,790 67,725 76,755 92,106 109,650 127,925 135,450 153,510 164,475 230,265 255,850 328,950 383,775 460,530 767,550 1,151,325 and 2,302,650, with no remainder.
Since 2,302,650 cannot be divided by just 1 and 2,302,650, it is not a prime number.