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Question Number 196638 by mr W last updated on 28/Aug/23

$$findthesumoftheall168prime$$$$numbersfrom1to1000.$$$$1)13245$$$$2)52788$$$$3)76127$$$$4)86344$$

Commented by mahdipoor last updated on 28/Aug/23

$$\mathrm{I}⟩\mathrm{\Sigma }=\left(2\right)+(sumof167p.nthatareodd)=odd$$$$\mathrm{II}⟩1+2+...+168<2+3+7+...+({168}^{\prime }thp.n)$$$$\Rightarrow 14196<\mathrm{\Sigma }$$$$\mathrm{I}\mathrm{\&}\mathrm{II}\Rightarrow 3)\Rightarrow 76127$$

Commented by mr W last updated on 28/Aug/23

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