The number 3,657,150 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 43 45 50 54 63 70 75 81 86 90 105 126 129 135 150 162 175 189 210 215 225 243 258 270 301 315 350 378 387 405 430 450 486 525 567 602 630 645 675 774 810 903 945 1,050 1,075 1,134 1,161 1,215 1,290 1,350 1,505 1,575 1,701 1,806 1,890 1,935 2,025 2,150 2,322 2,430 2,709 2,835 3,010 3,150 3,225 3,402 3,483 3,870 4,050 4,515 4,725 5,418 5,670 5,805 6,075 6,450 6,966 7,525 8,127 8,505 9,030 9,450 9,675 10,449 11,610 12,150 13,545 14,175 15,050 16,254 17,010 17,415 19,350 20,898 22,575 24,381 27,090 28,350 29,025 34,830 40,635 42,525 45,150 48,762 52,245 58,050 67,725 73,143 81,270 85,050 87,075 104,490 121,905 135,450 146,286 174,150 203,175 243,810 261,225 365,715 406,350 522,450 609,525 731,430 1,219,050 1,828,575 and 3,657,150, with no remainder.
Since 3,657,150 cannot be divided by just 1 and 3,657,150, it is a composite number.