A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9309200 can be evenly divided by 1 2 4 5 8 10 16 17 20 25 34 37 40 50 68 74 80 85 100 136 148 170 185 200 272 296 340 370 400 425 592 629 680 740 850 925 1,258 1,360 1,369 1,480 1,700 1,850 2,516 2,738 2,960 3,145 3,400 3,700 5,032 5,476 6,290 6,800 6,845 7,400 10,064 10,952 12,580 13,690 14,800 15,725 21,904 23,273 25,160 27,380 31,450 34,225 46,546 50,320 54,760 62,900 68,450 93,092 109,520 116,365 125,800 136,900 186,184 232,730 251,600 273,800 372,368 465,460 547,600 581,825 930,920 1,163,650 1,861,840 2,327,300 4,654,600 and 9,309,200, with no remainder.
Since 9,309,200 cannot be divided by just 1 and 9,309,200, it is not a prime number.