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Prime factors of 15 are 3 and 5.

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The answer is 3 . 5

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Q: Prime factors of 15
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What are the factors and prime factors of 15?

15 is a composite number because it has factors other than 1 and itself. It is not a prime number. The 4 factors of 15 are 1, 3, 5, and 15. The factor pairs of 15 are 1 x 15 and 3 x 5. The proper factors of 15 are 1, 3, and 5 or, if the definition you are using excludes 1, they are 3 and 5. The prime factors of 15 are 3 and 5. The 2 distinct prime factors (listing each prime factor only once) of 15 are also 3 and 5. The prime factorization of 15 is 3 x 5. NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.)


What is the GCF of 15 and 8?

The prime factors of 8 are 2, 2 and 2 The prime factors of 15 are 3 and 5 The6y have no common factors - other than 1.


What is the greatest common factor of 15 and 77?

The GCF of 15 and 77 is 1. The factors of 15 are 1, 3, 5, and 15. The factors of 77 are 1, 7, 11, and 77. The common factors are 1. Therefore the greatest common factor is 1, which means the two numbers are relatively prime. The greatest common factor can also be determined by prime factors. The prime factors of 15 are 3 and 5. The prime factors of 77 are 7 and 11. There are no common prime factors, so the two numbers are relatively prime, which means their only common factor is 1.


What is 15 as a product of its prime factors?

15 = 3 x 5


What is the greatest common factor of 15 and 39?

The factors of 15 are 1, 3, 5, and 15. The factors of 39 are 1, 3, 13, and 39. The factors they have in common are 1 and 3. Therefore, the greatest common factor is 3. You can also determine the greatest common factor from their prime factors. The prime factors of 15 are 3 and 5. The prime factors of 39 are 3 and 13. The prime factors they have in common are a single 3, so the greatest common factor is 3.

Related questions

What are prime factors of 15?

The prime factors of 15 are 3 and 5.


What are the factors tree and prime factors of 15?

Factors of 15 are: 1 3 5 and 15 of which 3 and 5 are prime factors


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 are the prime factors of 15 and 35?

The prime factors of 15 are: 3 and 5.The prime factors of 35 are: 5 and 7.


Factors and prime factors of 15 mm?

The factors of 15 are 1, 3, 5 and 15 3 and 5 are prime.


What are the factors and prime factors of -15?

The factors of -15 are 1, 3, 5, 15 and their negative counterparts. The prime factors are 3 and 5.


What is the factors and prime factors of 15?

Factors: 1,3,5,15 Prime Factors: 3,5


What are the factors and prime factors of 15 and 23?

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.23 is a prime number. It is only evenly divisible by itself and one.


What is the prime factors for 15?

The Prime Factors of 15 are 3, 5


How many prime factors does 15 have?

Two prime factors.


Prime factors and factors of 15?

1, 3, 5, 15 3 and 5 are prime.


Are 3 and 5 prime factors of 15?

Yes, 3 and 5 are prime factors of 15.