Asked by Anonymous

what is the gcf of 42 and 63
Answered by jo
what iste geatest common factor of 42 an 63
Answered by Katharine
the gcf is 7(im doing this in school too)
Answered by Ms. Sue
Let's look at the factors of these numbers.

42: 1, 42, 2, 21, 3, 14, 6, 7

63: 1, 63, 3, 21, 7, 9

Which is the largest number that apears in both lists of factors?


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