The greatest common factor (GCF) of 32 and 45 is: 1
Factors of 32: 1, 2, 4, 8, 16, 32
Factors of 45: 1, 3, 5, 9, 15
The only common factor between them is 1, also making it the greatest common factor.
The least common multiple (LCM) of 32 and 45 is: 1440
32 × 45 = 1440 / 45 × 45 = 1440
GCF = 1
LCM = 1440