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Regarding the question as being, What are the prime factors of 18?
A Prime number is a number that only has 1 and itself as factors.
The number "1" itself is not regarded as a prime number.
The prime factors can be obtained by successive division.
18 ÷ 2 = 9
9 ÷ 3 = 3
3 ÷ 3 = 1
The prime factors of 18 are 2,3 and 3. This can be written as 2 and 3².
This can be checked as 2 x 3 x 3 = 18.
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Continue Learning about Math & Arithmetic
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.
Are 2 and 18 composite or prime?
2 is a prime number. 18 is a composite number.
What is the prime factors of 18 and 15?
Prime factors of 18 are 2 and 3 Prime factors of 15 are 3 and 5
WHAT IS 18 written as a product of prime numbers?
The prime factorization of 18 is 2 * 3^2
What is the three prime numbers of 18?
The only two prime factors of 18 are: 2, 3
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