Find the greatest number which exactly divides 81 and 117.
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x is the greatest number+++️️
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Answer:
9
Step-by-step explanation:
do prime factorisation of 81 and 117
81= 3×3×3×3
117= 3×3×13
common numbers = 3×3 =9
HCF IS 9 and greatest number between is 117
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