The number 6,592,320 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 109 112 120 126 135 140 144 160 168 180 189 192 210 216 218 224 240 252 270 280 288 315 320 327 336 360 378 420 432 436 448 480 504 540 545 560 576 630 654 672 720 756 763 840 864 872 945 960 981 1,008 1,080 1,090 1,120 1,260 1,308 1,344 1,440 1,512 1,526 1,635 1,680 1,728 1,744 1,890 1,962 2,016 2,160 2,180 2,240 2,289 2,520 2,616 2,880 2,943 3,024 3,052 3,270 3,360 3,488 3,780 3,815 3,924 4,032 4,320 4,360 4,578 4,905 5,040 5,232 5,886 6,048 6,104 6,540 6,720 6,867 6,976 7,560 7,630 7,848 8,640 8,720 9,156 9,810 10,080 10,464 11,445 11,772 12,096 12,208 13,080 13,734 14,715 15,120 15,260 15,696 17,440 18,312 19,620 20,160 20,601 20,928 22,890 23,544 24,416 26,160 27,468 29,430 30,240 30,520 31,392 34,335 34,880 36,624 39,240 41,202 45,780 47,088 48,832 52,320 54,936 58,860 60,480 61,040 62,784 68,670 73,248 78,480 82,404 91,560 94,176 103,005 104,640 109,872 117,720 122,080 137,340 146,496 156,960 164,808 183,120 188,352 206,010 219,744 235,440 244,160 274,680 313,920 329,616 366,240 412,020 439,488 470,880 549,360 659,232 732,480 824,040 941,760 1,098,720 1,318,464 1,648,080 2,197,440 3,296,160 and 6,592,320, with no remainder.
Since 6,592,320 cannot be divided by just 1 and 6,592,320, it is a composite number.