How do you find the GCF for the following list 80, 36?

1 Answer
George C.
Oct 21, 2016

The GCF of 80 and 36 is 4

Explanation:

One method for finding the GCF of two numbers goes as follows:

  • Divide the larger number by the smaller to give a quotient and remainder.

  • If the remainder is 0 then the smaller number is the GCF.

  • Otherwise, repeat with the smaller number and the remainder.

In our example we find:

80 / 36 = 2" " with remainder 8

36 / 8 = 4" " with remainder 4

8 / 4 = 2" " with remainder 0

So the GCF of 80 and 36 is 4

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