The number 4,260,564 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 28 29 33 36 42 44 53 58 63 66 77 84 87 99 106 116 126 132 154 159 174 198 203 212 231 252 261 308 318 319 348 371 396 406 462 477 522 583 609 636 638 693 742 812 924 954 957 1,044 1,113 1,166 1,218 1,276 1,386 1,484 1,537 1,749 1,827 1,908 1,914 2,226 2,233 2,332 2,436 2,772 2,871 3,074 3,339 3,498 3,654 3,828 4,081 4,452 4,466 4,611 5,247 5,742 6,148 6,678 6,699 6,996 7,308 8,162 8,932 9,222 10,494 10,759 11,484 12,243 13,356 13,398 13,833 16,324 16,907 18,444 20,097 20,988 21,518 24,486 26,796 27,666 32,277 33,814 36,729 40,194 43,036 48,972 50,721 55,332 64,554 67,628 73,458 80,388 96,831 101,442 118,349 129,108 146,916 152,163 193,662 202,884 236,698 304,326 355,047 387,324 473,396 608,652 710,094 1,065,141 1,420,188 2,130,282 and 4,260,564, with no remainder.
Since 4,260,564 cannot be divided by just 1 and 4,260,564, it is a composite number.