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Is 21 a prime or composite?

Updated: 12/19/2022

Wiki User

∙ 7y ago

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21 is composite.

Wiki User

∙ 8y ago

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∙ 7y ago

Composite

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Q: Is 21 a prime or composite?

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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 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.

Related questions

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

Is 19 or 21or 24 s prime or composite?

One is prime, the other two are composite.

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Is 21 a prime or composite?

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