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The factors of 33 are:

1, 3, 11, 33

The factors of 45 are:

1, 3, 5, 9, 15, 45

The common factors are:

1, 3

The Greatest Common Factor (GCF) is:

3

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12y ago
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10y ago

2 x 19 = 38

3 x 3 x 5 = 45

No common prime factors; the GCF is 1.

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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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7y ago

The greatest common factor of both numbers is 15

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12y ago

The GCF is 1.

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7y ago

2 x 3 x 3 = 18

3 x 3 x 5 = 45

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Q: What is the greastest common factor for 38 and 45?
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