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21 has the factors 21,1,7,3. 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.
Wiki User
∙ 12y ago
Wiki User
∙ 7y agoIt has more than two factors.
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List all the factors of 21 is the number 21 prime or composite?
The factors of 21 are 1, 3, 7, and 21 which means that 21 is composite.
Is 25 a prime or composite?
composite composite
207 prime or composite?
composite
Is 573 prime or composite?
It is composite.
Is 114 prime or composite?
It's clearly not prime; no even number is prime. It is composite.
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
