Find the HCF of 135 and 75 by the prime factorisation, h
rime factorisation, hence find the LCM
and HCF of ( 135,75 ) and 20.
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16
Answer:
135=3×3×3×5
75=3×5×5
Hcf=3×5=15
lcm=3×3×3×5×5=675
and with 20
135=3×3×3×5
75=3×5×5
20=2×2×5
Hcf=5
lcm=2×2×3×3×3×5=2700
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Answer:
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