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To find the greatest common factor of three numbers, you need to first express them as the product of their prime factors. In this case, 52 65 and 91 can be expressed as follows:

52 = 2x2x13

65 = 5x13

91 = 7x13

The next step is to identify any common factors. In this case, the only factor which appears in all 3 numbers' prime factors is 13. Thus the greatest common factor of 52, 65 and 91 is 13.

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13y ago

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More answers

The GCF is 13.

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12y ago
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The GCF is: 13

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12y ago
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The GCF is 1.

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8y ago
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The GCF is 13.

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9y ago
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Q: What is the greatest common factor of 55 and 91?
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