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Best Answer

The factors of 45 are:

1, 3, 5, 9, 15, 45

The factors of 56 are:

1, 2, 4, 7, 8, 14, 28, 56

The common factors are:

1

The Greatest Common Factor (GCF) is:

1

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Wiki User

11y ago
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Wiki User

8y ago

The GCF of 36, 45, and 56 is 1.

The prime factorization of 36 is 2*2*3*3

The prime factorization of 45 is 3*3*5

The prime factorization of 56 is 2*2*2*7

Thus, the only common factor of the set is 1.

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Wiki User

14y ago
  1. The factors of 45 are: 1 3 5 9 15 45
  2. The factors of 56 are: 1 2 4 7 8 14 28 56
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Wiki User

12y ago

2 x 2 x 2 x 3 = 24

2 x 2 x 2 x 7 = 56

2 x 2 x 2 = 8, the GCF

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Wiki User

9y ago

3 x 3 x 5 = 45

2 x 2 x 3 x 5 = 60

3 x 5 = 15, the GCF

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Wiki User

13y ago

3 x 3 x 5 = 45

2 x 2 x 2 x 7 = 56

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Wiki User

15y ago

9

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Q: What is the prime factorization of 45 and 56?
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