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To get the Greates Common Factor (GCF) of 30 and 105 we need to factor each value first and then we choose all the copies of factors and multiply them:

30: 2 3 5 105: 3 5 7 GCF: 3 5

The Greates Common Factor (GCF) is: 3 x 5 = 15

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10y ago

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