By Emeka Ani on the 7th of October, 2017

To get the Greates Common Factor (GCF) of 28 and 42 we need to factor each value first and then we choose all the copies of factors and multiply them:

The Greates Common Factor (GCF) is: 2 x 7 = 14

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Refine By DinaHaines on the 21st of February, 2018