The number 2,060,604 can be evenly divided by 1 2 3 4 6 7 9 12 13 14 17 18 21 26 28 34 36 37 39 42 51 52 63 68 74 78 84 91 102 111 117 119 126 148 153 156 182 204 221 222 234 238 252 259 273 306 333 357 364 442 444 468 476 481 518 546 612 629 663 666 714 777 819 884 962 1,036 1,071 1,092 1,258 1,326 1,332 1,428 1,443 1,547 1,554 1,638 1,887 1,924 1,989 2,142 2,331 2,516 2,652 2,886 3,094 3,108 3,276 3,367 3,774 3,978 4,284 4,329 4,403 4,641 4,662 5,661 5,772 6,188 6,734 7,548 7,956 8,177 8,658 8,806 9,282 9,324 10,101 11,322 13,209 13,468 13,923 16,354 17,316 17,612 18,564 20,202 22,644 24,531 26,418 27,846 30,303 32,708 39,627 40,404 49,062 52,836 55,692 57,239 60,606 73,593 79,254 98,124 114,478 121,212 147,186 158,508 171,717 228,956 294,372 343,434 515,151 686,868 1,030,302 and 2,060,604, with no remainder.
Since 2,060,604 cannot be divided by just 1 and 2,060,604, it is a composite number.