HCF and LCM 20 and 30 verify by HCF×LCF=Product of two numbers
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Step-by-step explanation:
leta=20=2*2*5
b=30=2*3*5
HCF=2*5=10
LCM=2*2*3*5=4*15=60
HCF×LCF=10*60=600
Product of two numbers=ab=20*30=600
HCF×LCF=a*b
proved
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