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Mathematics 20 Online
OpenStudy (anonymous):

hey what is the gcf of 17,18,and 20 @skateboarding

OpenStudy (anonymous):

It is 1, for all 3 numbers: http://codepad.org/PB22F1EG

OpenStudy (anonymous):

17 is a prime number. So, factors must be 1 or itself. Since itself (17) can't be a factor of 18 and 20, the GCF must be 1.

OpenStudy (anonymous):

gracias

OpenStudy (anonymous):

soo hungry right now

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