Q: Is 21,132,036 a Composite Number?

Why is 21,132,036 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 21,132,036 can be evenly divided by 1 2 3 4 6 9 12 18 27 36 54 108 389 503 778 1,006 1,167 1,509 1,556 2,012 2,334 3,018 3,501 4,527 4,668 6,036 7,002 9,054 10,503 13,581 14,004 18,108 21,006 27,162 42,012 54,324 195,667 391,334 587,001 782,668 1,174,002 1,761,003 2,348,004 3,522,006 5,283,009 7,044,012 10,566,018 and 21,132,036, with no remainder.

Since 21,132,036 cannot be divided by just 1 and 21,132,036, 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).