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If you mean 66, 12, 11 and 43 then the highest common factor is 1 because 11 and 43 are prime numbers.

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7y ago

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More answers

Two or more numbers are needed to find the HCF

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Wiki User

7y ago
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If you mean 36, 180, 120 and 132 then the GCF is 12

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Wiki User

7y ago
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If that's 55, 132 and 143, the GCF is 11.

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Wiki User

10y ago
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It is: 11

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Wiki User

10y ago
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It is 11

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Wiki User

8y ago
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Q: What is highest common factor of 55132143?
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