Q: Is 17 18 19 23 witch is a composite number?

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Composite numbers.Example: 17- factors of 17...1 and 17- This is a prime number.Example: 18- factors of 18...1,2,3,6,9,18- This is a composite number.

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.

It is 17 because it is a prime number whereas all the rest are composite numbers

Yes - as an even number greater than 2, 18 is divisible by 2 and therefore composite. Its factors are: 1, 2, 3, 6, 9, 18

Not a factor of 18 ?

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

The number after 17 is 18.

Composite numbers.Example: 17- factors of 17...1 and 17- This is a prime number.Example: 18- factors of 18...1,2,3,6,9,18- This is a composite number.

The number 17 is a prime number but the number 108 is not a prime number as it can be divided by 2, 54, 4, 27, 6 and 18

All even numbers greater than 2 are composite.

composite

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

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

a prime number that's ONLY multiples are itself and 1. example:4*4=16 3*5=15 9*2=18 1*17=17

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.

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.

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.