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Which is a prime factor of the composite number 18?
The prime factorization of 18 is 2 x 3 x 3, so 2 and 3 are both prime factors of 18.
Is a factor a prime number?
A factor can or cannot be a prime number Ex: 2 is the factor of all other even numbers its a prime number but 9 is a factor of 18 and its not a prime number A prime is a factor but a factor being a prime number varies
Is 9 a prime number and a factor of 18?
No. 9 is a composite number (3 x 3). But it is a factor of 18. Factors of 18 are 1, 2, 3, 6, 9, 18. 18 = 2 x 3 x 3
Is 2259 a prime number?
NO!!! If you add the adigtis 2259 = 2 + 2 + 5 + 9 = 18 + 1 + 8 = 9 This means that the number will divide, has a factor of '9'. 2259/9= 251 So 2259 is a composite number, not a prime number.
What kind of numbers are whole numbers greater than 1 but are not prime numbers?
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.
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 greatest common factor of 18 and 73?
The GCF of a prime number and a composite number is 1 if the former is not a factor of the latter. 73 is a prime number and 18 is a composite number and 73 is not a factor of 18 because 18 is not divisible by 73. So, GCF(73, 18) = 1.
What is the prime factor of the composite number 18?
The prime factorization of 18 is 3 x 3 x 2.
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.
Are 2 and 18 composite or prime?
2 is a prime number. 18 is a composite number.
Is 18 prime or composite number?
composite
Which is a prime factor of the composite number 18?
The prime factorization of 18 is 2 x 3 x 3, so 2 and 3 are both prime factors of 18.
What are the prime and composite numbers of 33 18?
To find the prime and composite factors of a number, list all the factor pairs of the number. Then, go through them and list the primes and composites. 33 1 x 33 3 x 11 The prime factors are 3 and 11. The composite factor is 33. 1 is neither prime nor composite. 18 1 x 18 2 x 9 3 x 6 The prime factors are 2 and 3. The composite factors are 6, 9, and 18.
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.
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 next composite number after 17?
17 is a prime number - the next composite number after 17 is 18.
