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Find the greatest common factor of 28 and 42.
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Find the greatest common factor of 28 and 42.

User Henry Zhu
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Answer: By using EDL(Euclid's Division Lemma), the answer we get is 14

so,

42 = 28(1) + 14

28 = 14(2) + 0

therefore, HCF(or greatest common factor) = 14

User Dotnetster
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