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The answer to this problem is simple, the Greatest Common Factor (GCF) is 27.

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โˆ™ 2009-10-12 23:55:48
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โˆ™ 2017-02-08 16:23:02

The greatest common factor of 18, 39, and 45 is 3. The only non-trivial prime factors of 39 are 13 and 3. 13 is not a factor of the other numbers stated, but 3 is.
The GCF is 3.

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Q: What is the greatest common factor of 18 39 and 45?
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