BdMO Online Forum •BdMO National Secondary 2007#13

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BdMO National Secondary 2007#13

Posted: Sat Feb 23, 2019 9:07 am

by samiul_samin

Prove that if $a$ and $b$ are two integers,then $a\times b=LCM(a,b)\times GCD(a,b)$ .

Re: BdMO National Secondary 2007#13

Posted: Sat Feb 23, 2019 9:10 am

by samiul_samin

This is a classical problem.You can get the proof here.