A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8925048 can be evenly divided by 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 59 66 72 88 99 118 132 177 191 198 236 264 354 382 396 472 531 573 649 708 764 792 1,062 1,146 1,298 1,416 1,528 1,719 1,947 2,101 2,124 2,292 2,596 3,438 3,894 4,202 4,248 4,584 5,192 5,841 6,303 6,876 7,788 8,404 11,269 11,682 12,606 13,752 15,576 16,808 18,909 22,538 23,364 25,212 33,807 37,818 45,076 46,728 50,424 67,614 75,636 90,152 101,421 123,959 135,228 151,272 202,842 247,918 270,456 371,877 405,684 495,836 743,754 811,368 991,672 1,115,631 1,487,508 2,231,262 2,975,016 4,462,524 and 8,925,048, with no remainder.
Since 8,925,048 cannot be divided by just 1 and 8,925,048, it is not a prime number.