The number 4,358,970 can be evenly divided by 1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 30 33 34 35 37 42 45 51 55 63 66 70 74 77 85 90 99 102 105 110 111 119 126 153 154 165 170 185 187 198 210 222 231 238 255 259 306 315 330 333 357 370 374 385 407 462 495 510 518 555 561 595 629 630 666 693 714 765 770 777 814 935 990 1,071 1,110 1,122 1,155 1,190 1,221 1,258 1,295 1,309 1,386 1,530 1,554 1,665 1,683 1,785 1,870 1,887 2,035 2,142 2,310 2,331 2,442 2,590 2,618 2,805 2,849 3,145 3,330 3,366 3,465 3,570 3,663 3,774 3,885 3,927 4,070 4,403 4,662 5,355 5,610 5,661 5,698 6,105 6,290 6,545 6,919 6,930 7,326 7,770 7,854 8,415 8,547 8,806 9,435 10,710 11,322 11,655 11,781 12,210 13,090 13,209 13,838 14,245 16,830 17,094 18,315 18,870 19,635 20,757 22,015 23,310 23,562 25,641 26,418 28,305 28,490 34,595 36,630 39,270 39,627 41,514 42,735 44,030 48,433 51,282 56,610 58,905 62,271 66,045 69,190 79,254 85,470 96,866 103,785 117,810 124,542 128,205 132,090 145,299 198,135 207,570 242,165 256,410 290,598 311,355 396,270 435,897 484,330 622,710 726,495 871,794 1,452,990 2,179,485 and 4,358,970, with no remainder.
Since 4,358,970 cannot be divided by just 1 and 4,358,970, it is a composite number.