The number 2,015,496 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 31 36 42 43 54 56 62 63 72 84 86 93 108 124 126 129 168 172 186 189 216 217 248 252 258 279 301 344 372 378 387 434 504 516 558 602 651 744 756 774 837 868 903 1,032 1,116 1,161 1,204 1,302 1,333 1,512 1,548 1,674 1,736 1,806 1,953 2,232 2,322 2,408 2,604 2,666 2,709 3,096 3,348 3,612 3,906 3,999 4,644 5,208 5,332 5,418 5,859 6,696 7,224 7,812 7,998 8,127 9,288 9,331 10,664 10,836 11,718 11,997 15,624 15,996 16,254 18,662 21,672 23,436 23,994 27,993 31,992 32,508 35,991 37,324 46,872 47,988 55,986 65,016 71,982 74,648 83,979 95,976 111,972 143,964 167,958 223,944 251,937 287,928 335,916 503,874 671,832 1,007,748 and 2,015,496, with no remainder.
Since 2,015,496 cannot be divided by just 1 and 2,015,496, it is a composite number.