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The GCF of 105, 147, and 189 is 21.
105 = 3*5*7

147 = 3*7*7

189 = 3*3*3*7

so highest common factor = 7

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โˆ™ 2015-11-10 02:05:12
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โˆ™ 2010-02-20 17:59:14

21.

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Q: What is the greatest common factor of 105 147 and 189?
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