The GCF is 3.
The GCF is 3.
The GCF is 3.
The LCM of 7 and 15 is 105. The GCF of 7 and 15 is 1.
The GCF is 3.
the GCF of 6 and 21 is 3.
The GCF is 3.
The GCF is 3.
The GCF is 3.
The factors of 6 are:1, 2, 3, 6The factors of 15 are:1, 3, 5, 15The factors of 21 are:1, 3, 7, 21The common factors are:1, 3The Greatest Common Factor (GCF) is:3
The GCF is 3.
The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54 The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 The factors of 126 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126 The Greatest Common Factor: GCF = 18