The number 6,140,160 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 41 45 48 52 60 64 65 72 78 80 82 90 96 104 117 120 123 128 130 144 156 160 164 180 192 195 205 208 234 240 246 256 260 288 312 320 328 360 369 384 390 410 416 468 480 492 520 533 576 585 615 624 640 656 720 738 768 780 820 832 936 960 984 1,040 1,066 1,152 1,170 1,230 1,248 1,280 1,312 1,440 1,476 1,560 1,599 1,640 1,664 1,845 1,872 1,920 1,968 2,080 2,132 2,304 2,340 2,460 2,496 2,624 2,665 2,880 2,952 3,120 3,198 3,280 3,328 3,690 3,744 3,840 3,936 4,160 4,264 4,680 4,797 4,920 4,992 5,248 5,330 5,760 5,904 6,240 6,396 6,560 7,380 7,488 7,872 7,995 8,320 8,528 9,360 9,594 9,840 9,984 10,496 10,660 11,520 11,808 12,480 12,792 13,120 14,760 14,976 15,744 15,990 16,640 17,056 18,720 19,188 19,680 21,320 23,616 23,985 24,960 25,584 26,240 29,520 29,952 31,488 31,980 34,112 37,440 38,376 39,360 42,640 47,232 47,970 49,920 51,168 52,480 59,040 63,960 68,224 74,880 76,752 78,720 85,280 94,464 95,940 102,336 118,080 127,920 136,448 149,760 153,504 157,440 170,560 191,880 204,672 236,160 255,840 307,008 341,120 383,760 409,344 472,320 511,680 614,016 682,240 767,520 1,023,360 1,228,032 1,535,040 2,046,720 3,070,080 and 6,140,160, with no remainder.
Since 6,140,160 cannot be divided by just 1 and 6,140,160, it is a composite number.