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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.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoTwo or more numbers are needed to find the HCF
Wiki User
∙ 6y agoIf you mean 36, 180, 120 and 132 then the GCF is 12
Wiki User
∙ 9y agoIf that's 55, 132 and 143, the GCF is 11.
Wiki User
∙ 9y agoIt is: 11
Wiki User
∙ 7y agoIt is 11
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