Crucigrama Greatest Common FactorVersión en línea Review activity! Find the greatest common factor (GCF) to complete the crossword por Camille Fontenelle 1 The GCF of 3 and 9 2 The GCF of 7 and 14 3 The GCF of 8 and 12 4 The GCF of 10 and 15 5 The GCF of 9 and 18 6 The GCF of 2 and 8 4 2 6 5