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The only composite factor of 21 is 21.
Wiki User
∙ 7y ago
Wiki User
∙ 7y ago21 is a composite number.
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Why is 21 a composite number?
21 is composite number because it has more than one number that goes into it
Why is 21 a prime number?
Who says it is? 21 is a composite number!
Is number 21 prime or composite?
number 21 is 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.
Is 21 a even number or a odd number?
21 is an odd composite number
Is 21 a prime number of composite?
21 is a composite number
What is the next composite number after 20?
The next composite number after 20 is 21.
What is the composite of 21?
A composite number is a number that has more than two factors. The factors of 21 are 1, 3, 7, and 21. Therefore, 21 is a composite number.
Which is a composite number 19 21 23?
21 is composite.
Why is 21 a composite number?
21 is composite number because it has more than one number that goes into it
What are the composite number by 28 21 17?
21 and 28 are composite.
What is the first composite number after 21?
The first composite number greater than 21 is 22.
Which is a composite number 21 or 2?
21 is the composite number because it's an odd number. 2 cannot be a composite number because it's even.
What is the of 21?
A composite number is a number that has more than two factors. The factors of 21 are 1, 3, 7, and 21. Therefore, 21 is a composite number.
Why is 21 a prime number?
Who says it is? 21 is a composite number!
Is number 21 prime or composite?
number 21 is 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.
