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21 is the composite number because it's an odd number. 2 cannot be a composite number because it's even.
What else can I help you with?
What is the composite number for 21?
The only composite factor of 21 is 21.
Is 21 a prime number of composite?
21 is a composite number
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.
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.
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.
Is 42 composite or prime?
42 is a composite number; its factors are 1, 2, 3, 6, 7, 14, 21, 42. Every even number (except 2 itself) is composite.42 is a Composite Number.
Which is a composite number 19 21 23?
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.
Why is 21 a composite number?
21 is composite number because it has more than one number that goes into it
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.
What are the composite number by 28 21 17?
21 and 28 are composite.
