Question:

What's the GCF of 84 and 31?

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Is there even a GCF?

The questions is Find the ratio of the length of this basketball court to it's width as a fraction in simplest form.

What's the length of the basketball court?

I'm supposed to find the GCF aren't i?

plz, help..

what's the answer and how in the world did u get the answer...thnx

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  1. Yes, the GCF is 1, since 31 is a prime number.


  2. 84:31

    (31 is prime)

  3. Are you sure it wasn't 21 instead of 31? 21 is 1/4th of 84 ...

    31 is a prime number, (only factors are 1 and 31), so it has  no common factors with 84.

    I hope you get it worked out, good luck!

  4. 31 is a prime number

    so if it's 31/84 it can't be reduced.

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