Q: What is the composite number after 21?

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The only composite factor of 21 is 21.

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

Who says it is? 21 is a composite number!

number 21 is prime

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.

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The only composite factor of 21 is 21.

21 is a composite number

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.

The next composite number after 20 is 21.

21 is composite.

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

21 and 28 are composite.

The first composite number greater than 21 is 22.

21 is the composite number because it's an odd number. 2 cannot be a composite number because it's even.

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.

Who says it is? 21 is a composite number!

number 21 is prime