A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9408150 can be evenly divided by 1 2 3 5 6 9 10 15 18 23 25 27 30 45 46 50 54 69 75 81 90 101 115 135 138 150 162 202 207 225 230 270 303 345 405 414 450 505 575 606 621 675 690 810 909 1,010 1,035 1,150 1,242 1,350 1,515 1,725 1,818 1,863 2,025 2,070 2,323 2,525 2,727 3,030 3,105 3,450 3,726 4,050 4,545 4,646 5,050 5,175 5,454 6,210 6,969 7,575 8,181 9,090 9,315 10,350 11,615 13,635 13,938 15,150 15,525 16,362 18,630 20,907 22,725 23,230 27,270 31,050 34,845 40,905 41,814 45,450 46,575 58,075 62,721 68,175 69,690 81,810 93,150 104,535 116,150 125,442 136,350 174,225 188,163 204,525 209,070 313,605 348,450 376,326 409,050 522,675 627,210 940,815 1,045,350 1,568,025 1,881,630 3,136,050 4,704,075 and 9,408,150, with no remainder.
Since 9,408,150 cannot be divided by just 1 and 9,408,150, it is not a prime number.