The number 3,365,544 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 21 23 24 26 28 39 42 46 52 56 67 69 78 84 91 92 104 134 138 156 161 168 182 184 201 268 273 276 299 312 322 364 402 469 483 536 546 552 598 644 728 804 871 897 938 966 1,092 1,196 1,288 1,407 1,541 1,608 1,742 1,794 1,876 1,932 2,093 2,184 2,392 2,613 2,814 3,082 3,484 3,588 3,752 3,864 4,186 4,623 5,226 5,628 6,097 6,164 6,279 6,968 7,176 8,372 9,246 10,452 10,787 11,256 12,194 12,328 12,558 16,744 18,291 18,492 20,033 20,904 21,574 24,388 25,116 32,361 36,582 36,984 40,066 43,148 48,776 50,232 60,099 64,722 73,164 80,132 86,296 120,198 129,444 140,231 146,328 160,264 240,396 258,888 280,462 420,693 480,792 560,924 841,386 1,121,848 1,682,772 and 3,365,544, with no remainder.
Since 3,365,544 cannot be divided by just 1 and 3,365,544, it is a composite number.