The number 4,276,350 can be evenly divided by 1 2 3 5 6 9 10 13 15 17 18 25 26 30 34 39 43 45 50 51 65 75 78 85 86 90 102 117 129 130 150 153 170 195 215 221 225 234 255 258 306 325 387 390 425 430 442 450 510 559 585 645 650 663 731 765 774 850 975 1,075 1,105 1,118 1,170 1,275 1,290 1,326 1,462 1,530 1,677 1,935 1,950 1,989 2,150 2,193 2,210 2,550 2,795 2,925 3,225 3,315 3,354 3,655 3,825 3,870 3,978 4,386 5,031 5,525 5,590 5,850 6,450 6,579 6,630 7,310 7,650 8,385 9,503 9,675 9,945 10,062 10,965 11,050 13,158 13,975 16,575 16,770 18,275 19,006 19,350 19,890 21,930 25,155 27,950 28,509 32,895 33,150 36,550 41,925 47,515 49,725 50,310 54,825 57,018 65,790 83,850 85,527 95,030 99,450 109,650 125,775 142,545 164,475 171,054 237,575 251,550 285,090 328,950 427,635 475,150 712,725 855,270 1,425,450 2,138,175 and 4,276,350, with no remainder.
Since 4,276,350 cannot be divided by just 1 and 4,276,350, it is a composite number.