Well, darling, the highest common factor of 189 and 147 is 21. It's like finding the perfect pair of shoes that go with every outfit - simple and practical. So, go ahead and strut your stuff knowing you've got that HCF on lock!
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The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 135 and 189 is 27
Since 27 is a factor of 189, it is automatically the GCF.
The GCF of 66 and 189 is 3.
The least common factor of any set of integers is 1.
The GCF is 1