A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8842600 can be evenly divided by 1 2 4 5 8 10 13 19 20 25 26 38 40 50 52 65 76 95 100 104 130 152 179 190 200 247 260 325 358 380 475 494 520 650 716 760 895 950 988 1,235 1,300 1,432 1,790 1,900 1,976 2,327 2,470 2,600 3,401 3,580 3,800 4,475 4,654 4,940 6,175 6,802 7,160 8,950 9,308 9,880 11,635 12,350 13,604 17,005 17,900 18,616 23,270 24,700 27,208 34,010 35,800 44,213 46,540 49,400 58,175 68,020 85,025 88,426 93,080 116,350 136,040 170,050 176,852 221,065 232,700 340,100 353,704 442,130 465,400 680,200 884,260 1,105,325 1,768,520 2,210,650 4,421,300 and 8,842,600, with no remainder.
Since 8,842,600 cannot be divided by just 1 and 8,842,600, it is not a prime number.