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21 is a composite number. 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.
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Earn +20 ptsQ: What are the factors of 21 is it composite or prime?
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Is 21 a prime composite or neither number?
21 is a composite number because it has more than two factors
Are these numbers prime or composite 21?
21 is a composite number. 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.
Is 21 a prime number of composite?
21 is a composite number
What are the prime numbers from 1 to 21?
1isn't prime or composite. So 2,3,5,7,11,13,17,19 are all prime because there only factors are 1 and itself.
What are the factors of 24 and is it prime or composite?
Composite. 1,2,3,4,6,8,12,24
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