The number 7,054,236 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 43 49 54 62 63 84 86 93 98 108 124 126 129 147 172 186 189 196 217 252 258 279 294 301 372 378 387 434 441 516 558 588 602 651 756 774 837 868 882 903 1,116 1,161 1,204 1,302 1,323 1,333 1,519 1,548 1,674 1,764 1,806 1,953 2,107 2,322 2,604 2,646 2,666 2,709 3,038 3,348 3,612 3,906 3,999 4,214 4,557 4,644 5,292 5,332 5,418 5,859 6,076 6,321 7,812 7,998 8,127 8,428 9,114 9,331 10,836 11,718 11,997 12,642 13,671 15,996 16,254 18,228 18,662 18,963 23,436 23,994 25,284 27,342 27,993 32,508 35,991 37,324 37,926 41,013 47,988 54,684 55,986 56,889 65,317 71,982 75,852 82,026 83,979 111,972 113,778 130,634 143,964 164,052 167,958 195,951 227,556 251,937 261,268 335,916 391,902 503,874 587,853 783,804 1,007,748 1,175,706 1,763,559 2,351,412 3,527,118 and 7,054,236, with no remainder.
Since 7,054,236 cannot be divided by just 1 and 7,054,236, it is a composite number.