The GCF is 1.
The GCF is: 1
For 15 the factors are 1,3,5,15 and for 38 the factors are 1,2,19,38, so the GCF is 1.
The GCF of 30 and 38 is 2. 30/2 = 15 38/2 = 19 30/38 = 15/19
The GCF of 38 and 76 is 38. Since 38 is a factor of 76, it is automatically the GCF.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is: 2
The GCF is 2.