Sagot :
Factors of 12:
1,2,3,4,6,12
Factors of 32:
1,2,4,8,16,32
Factors of 64:
1,2,4,8,16,32,64
GCF=4
1,2,3,4,6,12
Factors of 32:
1,2,4,8,16,32
Factors of 64:
1,2,4,8,16,32,64
GCF=4
Prime factors of 12: 2 x 2 x 3 = 2,2,3
Prime factors of 32: 2 x 2 x 2 x 2 x 2 = 2,2,2,2,2
Prime factors of 62: 2 x 2 x 2 x 2 x 2 x 2 = 2,2,2,2,2,2
Their common factor is 2. So the GCF is 2.
Prime factors of 32: 2 x 2 x 2 x 2 x 2 = 2,2,2,2,2
Prime factors of 62: 2 x 2 x 2 x 2 x 2 x 2 = 2,2,2,2,2,2
Their common factor is 2. So the GCF is 2.