Q: Is 21,437,600 a Composite Number?

Why is 21,437,600 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 21,437,600 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 127 160 200 211 254 400 422 508 635 800 844 1,016 1,055 1,270 1,688 2,032 2,110 2,540 3,175 3,376 4,064 4,220 5,080 5,275 6,350 6,752 8,440 10,160 10,550 12,700 16,880 20,320 21,100 25,400 26,797 33,760 42,200 50,800 53,594 84,400 101,600 107,188 133,985 168,800 214,376 267,970 428,752 535,940 669,925 857,504 1,071,880 1,339,850 2,143,760 2,679,700 4,287,520 5,359,400 10,718,800 and 21,437,600, with no remainder.

Since 21,437,600 cannot be divided by just 1 and 21,437,600, 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).