A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4415180 can be evenly divided by 1 2 4 5 7 10 11 14 20 22 28 35 44 47 55 61 70 77 94 110 122 140 154 188 220 235 244 305 308 329 385 427 470 517 610 658 671 770 854 940 1,034 1,220 1,316 1,342 1,540 1,645 1,708 2,068 2,135 2,585 2,684 2,867 3,290 3,355 3,619 4,270 4,697 5,170 5,734 6,580 6,710 7,238 8,540 9,394 10,340 11,468 13,420 14,335 14,476 18,095 18,788 20,069 23,485 28,670 31,537 36,190 40,138 46,970 57,340 63,074 72,380 80,276 93,940 100,345 126,148 157,685 200,690 220,759 315,370 401,380 441,518 630,740 883,036 1,103,795 2,207,590 and 4,415,180, with no remainder.
Since 4,415,180 cannot be divided by just 1 and 4,415,180, it is not a prime number.