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Is these prime or composite or neither 15 21 31 26 61?
31 and 61 are prime, the rest 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 number of composite?
21 is a composite number
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.
Is the number 21 prime composite or neither?
3 * 7 = 21 21 is not prime
Is these prime or composite or neither 15 21 31 26 61?
31 and 61 are prime, the rest composite.
Is 21 a prime composite or neither?
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.
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.
Is number 21 prime or composite?
number 21 is prime
