If a=8*243 and b=9*32 then what is the HCF of a and b ?
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a=8×243=1944
b=9×32=288
Prime factors of 1944=2³×3to the power 5
Prime factors of 288=2to the power 5 × 3²
Common Prime factors = 2,3⇒2²×3²=======72 (Ans)
b=9×32=288
Prime factors of 1944=2³×3to the power 5
Prime factors of 288=2to the power 5 × 3²
Common Prime factors = 2,3⇒2²×3²=======72 (Ans)
AK47AMAR:
but i want HCF
and LCM
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