answersLogoWhite

0


Best Answer

21 is composite number because it has more than one number that goes into it

User Avatar

Wiki User

โˆ™ 2009-06-04 21:03:26
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

โžก๏ธ
See all cards
3.72
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
335 Reviews

Add your answer:

Earn +20 pts
Q: Why is 21 a composite number?
Write your answer...
Submit
Related questions

What is the composite number for 21?

The only composite factor of 21 is 21.


Is 21 a prime number of composite?

21 is a composite number


What is the next composite number after 20?

The next composite number after 20 is 21.


Is 21 a composite number or prime number?

Composite


Which is a composite number 19 21 23?

21 is composite.


What is the composite of 21?

A composite number is a number that has more than two factors. The factors of 21 are 1, 3, 7, and 21. Therefore, 21 is a composite number.


Is 21 prime or a composite number?

Composite.


Is 21 a prime or composite number?

Composite, 21=3*7


What are the composite number by 28 21 17?

21 and 28 are composite.


What is the first composite number after 21?

The first composite number greater than 21 is 22.


Why is 21 a prime number?

Who says it is? 21 is a composite number!


Is number 21 prime or composite?

number 21 is prime


Is 21 a prime composite or neither number?

21 is a composite number because it has more than two factors


Is 21 a even number or a odd number?

21 is an odd composite number


21 a prime or a compostie?

21 is a composite number.


Is 21 prime or compostie?

21 is a composite number.


Is 21 composite number?

Yes.


What is the composite number after 21?

It is: 22


Is the numbers 19 21 and 23 a composite number?

No, they are three numbers, not one. 21 is composite.


What are 21's composite numbers?

The factors of 21 are 1, 3, 7, and 21. The only factor of 21 that is a composite number is 21.


Is 21 a composite number?

It is composite. It is divisible by 3 and 7.yea


Is number 21 a prime number or a composite number?

It is composite because it has more than two factors


Is 21 a prime number or a composite number?

21 is a Composite Number. A prime number is a whole number that only has two factors which are itself and one. A composite number has factors in addition to one and itself. 21 is divisible by 3 and 7.


Is 21 an prime or composite number?

It is a composite number because it has more than two factors


What is the meaning of a consecutive composite number?

21 and 22 are consecutive composite numbers.