How do you find the greatest common factor of 40, 10?

1 Answer
sjc
Mar 4, 2018

#GCF(10,40)=10#

Explanation:

list all the factors of each number, and pick out the common ones

factors of #10:{color(red)(1,2,5,10)}#

factors of #40:{color(red)(1,2),4,color(red)(5),8,color(red)(10),20,40}#

common factors #{1,2,5,10}#

#GCF(10,40)=10#

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