What is the greatest common factor of 175 and 245?
1 Answer
Apr 14, 2016
Explanation:
To find the GCF of two numbers you can proceed as follows:

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

If the remainder is zero then the smaller number is the GCF.

Otherwise repeat with the smaller number and the remainder.
In our example:
#245/175 = 1# with remainder#70#
#175/70 = 2# with remainder#35#
#70/35 = 2# with remainder#0#
So the GCF is