A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9364950 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 90 105 126 135 150 175 189 210 225 270 315 350 378 450 525 630 675 945 991 1,050 1,350 1,575 1,890 1,982 2,973 3,150 4,725 4,955 5,946 6,937 8,919 9,450 9,910 13,874 14,865 17,838 20,811 24,775 26,757 29,730 34,685 41,622 44,595 49,550 53,514 62,433 69,370 74,325 89,190 104,055 124,866 133,785 148,650 173,425 187,299 208,110 222,975 267,570 312,165 346,850 374,598 445,950 520,275 624,330 668,925 936,495 1,040,550 1,337,850 1,560,825 1,872,990 3,121,650 4,682,475 and 9,364,950, with no remainder.
Since 9,364,950 cannot be divided by just 1 and 9,364,950, it is not a prime number.