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The greatest common factor of 55 (5 x 11) and 105 (3 x 5 x 7) is 5.

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10y ago
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12y ago

2 x 11 = 22

5 x 11 = 55

2 x 5 x 11 = 110, the LCM

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Wiki User

7y ago

Prime factors of 22 are 2 and 11

Prime factors of 55 are 5 and 11

LCM of both numbers is 110

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Wiki User

7y ago

The GCF is 11.

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Wiki User

13y ago

11

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Q: What is the gcf for 55 and 105?
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