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प्रश्न
Find the HCF and LCM of 26, 65 and 117, using prime factorisation.
उत्तर
26 = 2 × 13
65 = 5 × 13
117 = 3 × 3 × 13
∴ HCF of 26, 65 and 117 = 13
and LCM of 26, 65 and 117 = 13 × 3 × 3 × 2 × 5 = 1170
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