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The prime factors of 18 are 2 and 3.
To find the prime factors of 18, find any two factors of 18, such as 2 and 9.
2 X 9 = 18
Since 2 is a Prime number, find two factors of 9, but don't drop the 2.
2 X 3 X 3 = 18.
Since 2 and 3 are both prime numbers, 2 X 3 X 3 is the prime factorization of 18.
2 and 3 are prime.
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Continue Learning about Math & Arithmetic
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 the prime and composite number for 18?
factors of 18: 1, 2, 3, 6, 9 and 18 prime factors of 18: 2, 3 composite factors of 18: 6, 9, 18
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 are 18's prime factors?
prime factors of 18 are 2 x 3 x 3 (or 2 x 32)
What is the three prime numbers of 18?
The only two prime factors of 18 are: 2, 3
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