Math, asked by rockstarbunny111, 2 months ago

What is the GCF of 81 and 63?
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Answered by s13397adisha2258

Answer:

The factors of 63 are 63, 21, 9, 7, 3, 1. The common factors of 81 and 63 are 9, 3, 1, intersecting the two sets above. In the intersection factors of 81 ∩ factors of 63 the greatest element is 9. Therefore, the greatest common factor of 81 and 63 is 9.

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