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Greatest Common Factor ES1 - Math Worksheets 4 Kids

Printable Math Worksheets @ www.mathworksheets4kids.com Name : Greatest Common Factor Answer key Find the greatest common factor for each pair of numbers. 1) 4, 8 Factors of 4 = Factors of 8 = GCF(4, 8) = 2) 12, 20 Factors of 12 = Factors of 20 = GCF(12, 20) = 3) 21, 3 Factors of 21 =