Q: Is 21,666,200 a Composite Number?

Why is 21,666,200 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 21,666,200 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 127 200 254 508 635 853 1,016 1,270 1,706 2,540 3,175 3,412 4,265 5,080 6,350 6,824 8,530 12,700 17,060 21,325 25,400 34,120 42,650 85,300 108,331 170,600 216,662 433,324 541,655 866,648 1,083,310 2,166,620 2,708,275 4,333,240 5,416,550 10,833,100 and 21,666,200, with no remainder.

Since 21,666,200 cannot be divided by just 1 and 21,666,200, 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).