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5 votes
What id the GCF for 81 and 64

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User Swserg
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2 Answers

4 votes
145 because 81 plus 64 is 145 145 plus 209
answered
User Nisarg Patil
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7.7k points
4 votes
Well if you look at 81, the factors of 81 are 1,3,9,27, and 81. And the factors of 64 are 1,2,4,8,16,32, and 64. They do not have a single common factor. So the GCF for 81 and 64 would be 1.
answered
User Pedro Gaspar
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8.5k points

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