find hcf of 81 by prime factorisaton
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81=3*3*3*3 is the answer.
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81= 3* 3* 3* 3 = 3
therefore, prime factorisation of 81= (3)4 ..
HCF of 81 = 3
plz plz select it as brainliest
therefore, prime factorisation of 81= (3)4 ..
HCF of 81 = 3
plz plz select it as brainliest
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