A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8593950 can be evenly divided by 1 2 3 5 6 10 15 23 25 30 46 47 50 53 69 75 94 106 115 138 141 150 159 230 235 265 282 318 345 470 530 575 690 705 795 1,081 1,150 1,175 1,219 1,325 1,410 1,590 1,725 2,162 2,350 2,438 2,491 2,650 3,243 3,450 3,525 3,657 3,975 4,982 5,405 6,095 6,486 7,050 7,314 7,473 7,950 10,810 12,190 12,455 14,946 16,215 18,285 24,910 27,025 30,475 32,430 36,570 37,365 54,050 57,293 60,950 62,275 74,730 81,075 91,425 114,586 124,550 162,150 171,879 182,850 186,825 286,465 343,758 373,650 572,930 859,395 1,432,325 1,718,790 2,864,650 4,296,975 and 8,593,950, with no remainder.
Since 8,593,950 cannot be divided by just 1 and 8,593,950, it is not a prime number.