A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9268980 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 29 30 35 42 58 60 70 84 87 105 116 140 145 174 203 210 290 348 406 420 435 580 609 761 812 870 1,015 1,218 1,522 1,740 2,030 2,283 2,436 3,044 3,045 3,805 4,060 4,566 5,327 6,090 7,610 9,132 10,654 11,415 12,180 15,220 15,981 21,308 22,069 22,830 26,635 31,962 44,138 45,660 53,270 63,924 66,207 79,905 88,276 106,540 110,345 132,414 154,483 159,810 220,690 264,828 308,966 319,620 331,035 441,380 463,449 617,932 662,070 772,415 926,898 1,324,140 1,544,830 1,853,796 2,317,245 3,089,660 4,634,490 and 9,268,980, with no remainder.
Since 9,268,980 cannot be divided by just 1 and 9,268,980, it is not a prime number.