Yes: 1, 3, 7, 9, 21, 27, 63, 189.
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49 does not go into 189 evenly. 189 divided by 49 equals 3 with a remainder of 42.
210 - 189 = 21
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!
The LCM of 15 and 189 is 945 because 945 is the first number that both 15 and 189 divide evenly into.
The GCF of 66 and 189 is 3.