How do you find the greatest common factor of 45 and 81?

Question

daraayu22 · Answer

find the common factor and then choose the greatest (biggest one) 
 45= 3,5,9,15,45 
 81= 3,9,27,81 
 The common factors are 3 and 9 The greatest common factor (GFC) is 9

graciebrenchak · Answer

Answer: 9 
 **Step-by-step explanation: what is the greatest number that they can be multiplied by ** 
 9*9=81 
 9*5=45

daraayu22 · Answer

To find the GCF of 45 and 81, list the factors of each number. The common factors are 1, 3, and 9, making the greatest common factor 9. Therefore, the GCF of 45 and 81 is 9. 
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How do you find the greatest common factor of 45 and 81?

Answer (3)

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