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18 is a composite number because it has at least one positive factor other than one or itself.

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Q: Is 18 a prime number or a composite number and why?
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Related questions

Are 2 and 18 composite or prime?

2 is a prime number. 18 is a composite number.


Is 18 a prime number or a composite?

18 is composite.


Is 18 a composite or a prime number?

It is a composite number.


Is 18 composite or prime number?

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Is 18 a composite or prime number?

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Is 18 prime or composite number?

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Is 18 prime or composite?

composite The number 18 is a composite number. It is a composite number because composite numbers are whole numbers that have three or more factors.


What is the next composite number after 17?

17 is a prime number - the next composite number after 17 is 18.


Is the number 18 a composite number or a prime 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. 18 is composite.


What two composite numbers have the prime who's prime factors are 18?

18 is not a prime number so no number can have 18 as a prime factor.


Is 18 a prime or composite?

18 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 18 composite or prime?

The factors of 18 are: 1, 2, 3, 6, 9, and 18.Since there are other factors in addition to '1' and the number itself,the number is composite.18 is a composite number because it has more than 2 factors18 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.18 is not prime; it is composite. 18 = 2 * 3 * 3


What is the prime or composite of 18?

18 is composite.


Is 18 a twin prime?

A twin prime is a prime number that differs from another prime number by two. 18 is not a prime; it is a composite number. All even numbers are composites and 18 is an even number.


How is 18 a composite number?

18 is a composite number because a prime number can only be multiplied by 1 and itself. 18 can be multiplied by 9 and 2 also.


Is 18 a composite number or a prime number?

All even numbers greater than 2 are composite.


What is the prime factor of the composite number of 18?

18 = 2 * 3 * 3


Is 18 a prime your composite?

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What is the prime and composite number for 18?

factors of 18: 1, 2, 3, 6, 9 and 18 prime factors of 18: 2, 3 composite factors of 18: 6, 9, 18


Is 153 a prime or composite number or a prime number?

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5 and 41 are prime numbers but 18 is a composite number


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The prime factorization of 18 is 3 x 3 x 2.


Is 18 a prime or composite or neither?

It is a composite.