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Lecture#43Prime NumbersComposite NumbersExamplesProf.Latif Sajid
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Lecture#38If k≥0 then prove that lcm(ka,kb)=klcm(a,b)Prof.Latif Sajid
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Lecture#35Common multiplesLeast common multipleExamplesProf.Latif Sajid
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Lecture#33If gcd(a,b)=1,then gcd(a-b,a+b,ab)=1Prof.Latif Sajid
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Lecture#30If gcd(a,b)=1,then gcd(2a+b,a+2b)=1 or 3 Prof.Latif Sajid
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Lecture#29If gcd(a,b)=1,then gcd(a+b,a-b)=1 or 2 Prof.Latif Sajid
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Lecture#25If k≥0 then prove that gcd(ka,kb)=kgcd(a,b)@PRECIOUS LINES
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