The number 4,980,528 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 61 63 72 81 84 108 112 122 126 144 162 168 183 189 216 243 244 252 324 336 366 378 427 432 486 488 504 549 567 648 729 732 756 854 972 976 1,008 1,098 1,134 1,281 1,296 1,458 1,464 1,512 1,647 1,701 1,708 1,944 2,196 2,268 2,562 2,916 2,928 3,024 3,294 3,402 3,416 3,843 3,888 4,392 4,536 4,941 5,103 5,124 5,832 6,588 6,804 6,832 7,686 8,784 9,072 9,882 10,206 10,248 11,529 11,664 13,176 13,608 14,823 15,372 19,764 20,412 20,496 23,058 26,352 27,216 29,646 30,744 34,587 39,528 40,824 44,469 46,116 59,292 61,488 69,174 79,056 81,648 88,938 92,232 103,761 118,584 138,348 177,876 184,464 207,522 237,168 276,696 311,283 355,752 415,044 553,392 622,566 711,504 830,088 1,245,132 1,660,176 2,490,264 and 4,980,528, with no remainder.
Since 4,980,528 cannot be divided by just 1 and 4,980,528, it is a composite number.