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Q: What are the factors and prime factors of 15 and 20?

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To find the HCF, you first have to express both numbers as the product of their prime factors: 15 = 3x5 20 = 2x2x5 The next step is to identify any common prime factors. In this case both numbers have a 5 as a prime factor. Therefore the HCF of 15 and 20 is 5.

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, and 40.The prime factors of 40 are: 2 and 5.

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 100 are: 1, 2, 4, 5, 10, 20, 25, 50, and 100.The prime factors of 100 are: 2 and 5.

Prime factors of 15 are 3 x 5Prime factors of 20 are 2 x 2 x 55 is the greatest common factor of 15 and 20.

2 and 5 are prime factors of 20

3 x 5 = 15 2 x 2 x 5 = 20

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

The prime factors of 15 are 3 and 5.

The factors of 20 are: 1, 2, 4, 5, 10, and 20.The prime factors of 20 are: 2 and 5.The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60.The prime factors of 60 are: 2, 3, and 5.

The prime factors of 20 are: 2 and 5.

The prime factors of 20 are 2 and 5.

Any multiple of 20 includes the prime factors of 20.

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

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

The Prime Factors of 15 are 3, 5

Prime factors of 18 are 2 and 3 Prime factors of 15 are 3 and 5

Prime factors of 15 are 3 and 5.

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 45 are: 1, 3, 5, 9, 15, and 45.The prime factors of 45 are: 3 and 5.

The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 75 are: 1, 3, 5, 15, 25, and 75.The prime factors of 75 are: 3 and 5.

Prime factors are for a specific number. The prime factors of 20 are 2, 2, and 5. The prime factor of 19 is 19. The prime factors of 18 are 2, 3, and 3.

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

The prime factors of 20 are 2, 2, and 5.

1, 2, 2, and 5 are the prime factors of 20

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

The factors of 6 are: 1, 2, 3, and 6.The prime factors of 6 are: 2 and 3.The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.