The number 6,250,560 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 136 160 170 192 204 240 255 272 320 340 383 408 480 510 544 680 766 816 960 1,020 1,088 1,149 1,360 1,532 1,632 1,915 2,040 2,298 2,720 3,064 3,264 3,830 4,080 4,596 5,440 5,745 6,128 6,511 7,660 8,160 9,192 11,490 12,256 13,022 15,320 16,320 18,384 19,533 22,980 24,512 26,044 30,640 32,555 36,768 39,066 45,960 52,088 61,280 65,110 73,536 78,132 91,920 97,665 104,176 122,560 130,220 156,264 183,840 195,330 208,352 260,440 312,528 367,680 390,660 416,704 520,880 625,056 781,320 1,041,760 1,250,112 1,562,640 2,083,520 3,125,280 and 6,250,560, with no remainder.
Since 6,250,560 cannot be divided by just 1 and 6,250,560, it is a composite number.