Question

find the HCF of the following by prime factorization method
72 and 80
63 and 84
52 and 78
42 and 70
80 and 96
12 and 16
15 and 75
20 and 35
34 and 102
70, 105 and 175
24, 60 and 144
24, 60 and 144
54, 60 and 90

Answer 1

Step-by-step explanation:

72÷2=36 36÷2=18 18÷2=9 9÷3=3 3÷3=1 2×2×2×3×3=72