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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.

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Q: How is 18 a composite number?
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Related questions

Is 18 a composite or a prime number?

All even numbers greater than 2 are composite.


Is 18 prime or composite number?

composite


Are 2 and 18 composite or prime?

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


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 next composite number after 17?

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


Is 18 composite or a prime?

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.


What are the composite numbers of 18?

18 is a composite number having the factors 1, 2, 3, 6, 9, and 18. The composite numbers that are factors of 18 are 6, 9, and 18.


Is 18 composite number?

Yes.


Is 18 a prime number or a composite number and why?

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


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 is the composite number after 17?

The number after 17 is 18.


Why is 18 a composite number?

A number which has more than two factors is called composite number. Factors of 18 are 1, 2, 3, 6, 9 and 18. As it can be seen 18 has more than two factors so, 18 is composite.