The factors are 1, 2, 3, 6
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Yes, 3 a common factor of 9 18 and 42
The Greatest Common Factor of 42 and 18 is 6.
first of all, factor... and it is 6, it is both multiples of 42 and 18
18/42 factor out a 6 6*3/6*7 as the factor 6 appears in both numerator and denominator it can be canceled 3/7 --------simplest form
The common factors of 18, 30, and 42 are: 1, 2, 3, and 6The Greatest Common Factor (GCF) is: 6