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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.

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12y ago
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12y ago

In addition to 1 and 18, the integers 2, 3, 6, and 9 are also factors of 18.

The existence of any one of them makes 18 a composite number.

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7y ago

composite

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Q: Is 18 composite or a prime?
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Related questions

What is the prime or composite of 18?

18 is composite.


Is 18 a prime your composite?

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


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The answer to the question that has been asked is "Yes".


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


Is 18 a composite or a prime number?

All even numbers greater than 2 are 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.


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 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.


Are 18 and 27 both prime or composite?

27 and 18 are both composite numbers. They are multiples of 3.


Which of the numbers 5 12 18 and 37 are composite?

5 and 37 are prime. 12 and 18 are composite.