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

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Q: Is 21 a prime composite or neither number?
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Related questions

Is the number 21 prime composite or neither?

3 * 7 = 21 21 is not prime


Is 21 a prime composite or neither?

Composite


Is these prime or composite or neither 15 21 31 26 61?

31 and 61 are prime, the rest composite.


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.


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.


What are the factors of 21 is it composite or prime?

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 or composite number why?

composite because it has more than two factors.


What prime numbers 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.


Is 21 a prime number of composite?

21 is a composite number


Is 21 prime composite or neither?

A prime number can only have adivisorof itself and 1.Both 3 and 7 divide 21, so it cannot be a prime number.I.e.: 21/3 = 7 and 21/7 = 3A composite number has at least 1 divisor, and we already determined that both 3 and 7 are divisors, so:21 is a composite number21 is a composite number.


Is number 21 prime or composite?

number 21 is prime


What makes 21 a composite number?

Mathematically, 21 is a composite number because it fails to meet the definition of a prime or neither prime nor composite number. It meets the rule for a composite number.Prime Number - Any number whom's only two factors are one and itself, and is neither 0 nor 1, is prime.Composite Number - Any number with other factors than one and itself, and is neither 0 nor 1, is composite.Neither Composite Nor Prime - Is only 0 and 1.