Question
The HCF of two numbers 144 and 2160
is:Solution
ATQ,
Prime factors of 144 = 2 × 2 × 2 × 2 × 3 × 3
Prime factors of 2160 = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 9
HCF = 2 × 2 × 2 × 2 × 3 × 3 = 144
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