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Question Number 100677 by bobhans last updated on 28/Jun/20

for m,n positive integers m > n   prove that lcd(m,n) + lcd(m+1,n+1) > ((2mn)/(√(m−n)))

$$\mathrm{for}\:\mathrm{m},\mathrm{n}\:\mathrm{positive}\:\mathrm{integers}\:\mathrm{m}\:>\:\mathrm{n}\: \\ $$ $$\mathrm{prove}\:\mathrm{that}\:\mathrm{lcd}\left(\mathrm{m},\mathrm{n}\right)\:+\:\mathrm{lcd}\left(\mathrm{m}+\mathrm{1},\mathrm{n}+\mathrm{1}\right)\:>\:\frac{\mathrm{2mn}}{\sqrt{\mathrm{m}−\mathrm{n}}} \\ $$

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