The GCF is: 63
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GCF(189, 441, 63) = 21.
The GCF is 63.
The factors of 42 are:1, 2, 3, 6, 7, 14, 21, 42The factors of 189 are:1, 3, 7, 9, 21, 27, 63, 189The factors of 441 are:1, 3, 7, 9, 21, 49, 63, 147, 441The common factors are:1, 3, 7, 21The Greatest Common Factor:GCF = 21
greatest common factor of 188 441 and 63 is 1.
The LCM is 1323.