find the HCF of the given number using the listing method.
a.25 and 40
b.36 and 48
c.96 and 72
d.65 and 85
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Step-by-step explanation:
A.
25 = 5 × 5
40 = 5 × 8
HCF = 5
b.
36 = 2 × 2 × 3 × 3
48 = 2 × 2 × 2 × 2 × 3
HCF = 2 × 2 × 3 = 12
C.
96 = 2 × 2 × 2 × 2 × 2 × 3
72 = 2 × 2 × 2 × 3 × 3
HCF= 2 × 2 × 2 × 3 = 24
D.
65 = 5 × 13
85 = 5 × 17
HCF = 5
( HCF -- Highest Common Factor)
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