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Mathematics 17 Online
OpenStudy (anonymous):

Can you help me understand how to find the greatest common factor.

OpenStudy (anonymous):

`The GCF of what? For example: to find the GCF of 27 and 54 you put out all their factors and find which is the highest they have in common: 27 factors: 1 27 3 9 54 factors: 1 54 2 27 3 18 6 9 The GCF is 27 Its pretty simple, but it depends the situation also:)

OpenStudy (anonymous):

81,91 GCF=

jhonyy9 (jhonyy9):

81=3*3*3*3 91=7*13 - so than what will be ?

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