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Question Number 26993 by abdo imad last updated on 31/Dec/17

Commented by prakash jain last updated on 01/Jan/18

$$\mathrm{Happy}\mathrm{new}\mathrm{year}$$

Commented by Rasheed.Sindhi last updated on 04/Jan/18

$$\mathcal{H}app\mathcal{Y}2\mathrm{K}+18$$

Commented by Rasheed.Sindhi last updated on 01/Jan/18

$$\bullet \mathrm{Last}\mathrm{year}\left(2017\right)\mathrm{was}\mathrm{prime}\mathrm{itself}$$$$(\mathrm{i}-\mathrm{e}{\mathrm{it}}^{\prime }\mathrm{s}\mathbf{once}\mathrm{of}\mathrm{a}\mathrm{prime})$$$$\mathrm{and}\mathrm{present}\mathrm{year}\mathrm{is}\mathbf{twice}\mathrm{of}\mathrm{a}$$$$\mathrm{prime}:$$$$2018=2\times 1009$$$$\mathrm{and}\mathrm{the}\mathrm{next}\mathrm{year}\mathrm{is}\mathbf{thrice}\mathrm{of}\mathrm{a}$$$$\mathrm{prime}:$$$$2019=3\times 673$$$$\bullet \mathrm{Sum}\mathrm{of}\mathrm{the}\mathrm{digits}\mathrm{of}\mathrm{new}\mathrm{year}$$$$\mathrm{is}\mathrm{prime}2+0+1+8=11$$$$\mathrm{Sum}\mathrm{of}\mathrm{the}\mathrm{sum}\mathrm{of}\mathrm{digits}=1+1=2$$$$\mathrm{is}\mathrm{also}\mathrm{prime}\mathrm{and}\mathrm{the}\mathrm{smallest}$$$$\mathrm{prime}.$$

Commented by abdo imad last updated on 02/Jan/18

$$thankyousomuchforthisexplanation...$$

Commented by abdo imad last updated on 02/Jan/18

$$sametoyouprakash....$$

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