Q: Is 6,778,560 a Composite Number?

Why is 6,778,560 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 6,778,560 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 138 160 184 192 230 240 276 307 320 345 368 460 480 552 614 690 736 920 921 960 1,104 1,228 1,380 1,472 1,535 1,840 1,842 2,208 2,456 2,760 3,070 3,680 3,684 4,416 4,605 4,912 5,520 6,140 7,061 7,360 7,368 9,210 9,824 11,040 12,280 14,122 14,736 18,420 19,648 21,183 22,080 24,560 28,244 29,472 35,305 36,840 42,366 49,120 56,488 58,944 70,610 73,680 84,732 98,240 105,915 112,976 141,220 147,360 169,464 211,830 225,952 282,440 294,720 338,928 423,660 451,904 564,880 677,856 847,320 1,129,760 1,355,712 1,694,640 2,259,520 3,389,280 and 6,778,560, with no remainder.

Since 6,778,560 cannot be divided by just 1 and 6,778,560, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).