Q: Is 6,912,640 a Composite Number?

Why is 6,912,640 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 6,912,640 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1,120 1,543 2,240 3,086 4,480 6,172 7,715 10,801 12,344 15,430 21,602 24,688 30,860 43,204 49,376 54,005 61,720 86,408 98,752 108,010 123,440 172,816 197,504 216,020 246,880 345,632 432,040 493,760 691,264 864,080 987,520 1,382,528 1,728,160 3,456,320 and 6,912,640, with no remainder.

Since 6,912,640 cannot be divided by just 1 and 6,912,640, 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).