A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8948610 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 23 27 30 33 45 46 54 55 66 69 90 99 110 115 131 135 138 165 198 207 230 253 262 270 297 330 345 393 414 495 506 594 621 655 690 759 786 990 1,035 1,179 1,242 1,265 1,310 1,441 1,485 1,518 1,965 2,070 2,277 2,358 2,530 2,882 2,970 3,013 3,105 3,537 3,795 3,930 4,323 4,554 5,895 6,026 6,210 6,831 7,074 7,205 7,590 8,646 9,039 11,385 11,790 12,969 13,662 14,410 15,065 17,685 18,078 21,615 22,770 25,938 27,117 30,130 33,143 34,155 35,370 38,907 43,230 45,195 54,234 64,845 66,286 68,310 77,814 81,351 90,390 99,429 129,690 135,585 162,702 165,715 194,535 198,858 271,170 298,287 331,430 389,070 406,755 497,145 596,574 813,510 894,861 994,290 1,491,435 1,789,722 2,982,870 4,474,305 and 8,948,610, with no remainder.
Since 8,948,610 cannot be divided by just 1 and 8,948,610, it is not a prime number.