Q: Is 6,780,720 a Composite Number?

Why is 6,780,720 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 6,780,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1,140 1,487 1,520 2,280 2,974 4,461 4,560 5,948 7,435 8,922 11,896 14,870 17,844 22,305 23,792 28,253 29,740 35,688 44,610 56,506 59,480 71,376 84,759 89,220 113,012 118,960 141,265 169,518 178,440 226,024 282,530 339,036 356,880 423,795 452,048 565,060 678,072 847,590 1,130,120 1,356,144 1,695,180 2,260,240 3,390,360 and 6,780,720, with no remainder.

Since 6,780,720 cannot be divided by just 1 and 6,780,720, 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).