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Is 21 composite or prime

Updated: 12/23/2022

Wiki User

∙ 8y ago

Best Answer

21 is composite. It's the product of 7 and 3 .

Wiki User

∙ 13y ago

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Is 21 a prime or composite?

21 is composite.

What is 21 a prime or composite?

21 is composite

Is 21 a prime composite or neither?

Composite

Is number 21 prime or composite?

number 21 is prime

Is 19 21 or 23 composite?

21 is composite. 19 and 23 are prime.

Is 21 a prime or composite?

21 is composite.

What is the prime or composite of 21?

21 is composite.

What is 21 a prime or composite?

21 is composite

Is 21 a prime number of composite?

21 is a composite number

Is 21 a prime composite or neither?

Composite

Is number 21 prime or composite?

number 21 is prime

Is 19 21 or 23 composite?

21 is composite. 19 and 23 are prime.

Is the number 21 prime composite or neither?

3 * 7 = 21 21 is not prime

Is this number prime or composite 21?

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 21 is composite.

21 a prime or a compostie?

21 is a composite number.

Is 21 prime or compostie?

21 is a composite number.

Are 21 and 31 composite numbers?

21 is composite as 3 times 7 is 21 31 is prime

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Is 21 composite or prime

Add your answer:

Is 21 a prime or composite?

What is 21 a prime or composite?

Is 21 a prime composite or neither?

Is number 21 prime or composite?

Is 19 21 or 23 composite?

Is 21 a prime or composite?

What is the prime or composite of 21?

What is 21 a prime or composite?

Is 21 a prime number of composite?

Is 21 a prime composite or neither?

Is number 21 prime or composite?

Is 19 21 or 23 composite?

Is the number 21 prime composite or neither?

Is this number prime or composite 21?

21 a prime or a compostie?

Is 21 prime or compostie?

Are 21 and 31 composite numbers?

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