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All of these numbers are composite except for 2, which is prime.
Prime numbers are numbers that can only be divided evenly by 1 and itself.
Composite numbers can be divided evenly by 1, itself, and at least one more number.
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What are the composite numbers 2-20?
The composite numbers from 2 to 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, and 20.
Is 18 a composite or a prime number?
All even numbers greater than 2 are 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
Which numbers between 2 and 20 are composite?
They are: 4 6 8 9 10 12 14 15 16 18 and 20 itself and they are all composite numbers because they have more than two factors
What are 2 composite numbers with the greatest common factor of 1?
15 and 16
How many numbers are composite numbers between 1 and 18?
11 numbers 2, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18 * * * * * NO! 2 is a prime, not a composite!
What are the composite numbers 2-20?
The composite numbers from 2 to 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, and 20.
Which pair of numbers contain two composite numbers a 2 18 b 3 6 c 15 21 d 18 29?
c 15 and 21
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 a composite or a prime number?
All even numbers greater than 2 are composite.
Which numbers is not composite 15 35 25 2?
2
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 are the composite numbers for 18?
1, 2, 3, 6, 9, 18
Is 17 18 19 23 witch is a composite number?
18 (All even numbers except 2 are composite.)
Which numbers between 2 and 20 are composite?
They are: 4 6 8 9 10 12 14 15 16 18 and 20 itself and they are all composite numbers because they have more than two factors
Write the natural numbers 1to15 what fraction of them are prime numbers what fraction of them are the composite number?
2/5 are prime, 8/15 are composite (and 1/15 is neither).
List all the composite numbers from 2 to 20?
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20.
