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A-number-is-said-to-be-right-prime-if-despite-dropping-the-left-most-digits-successively-Number-continues-to-be-a-prime-number-For-example-223-is-a-right-prime-because-despite-dropping-2-fr

Question Number 46045 by Tawa1 last updated on 20/Oct/18 Anumberissaidtoberightprimeifdespitedroppingtheleftmostdigitssuccessively,Numbercontinuestobeaprimenumber.Forexample:223isarightprimebecausedespitedropping2fromleftmostpart,weobtain23astheprimenumber.Next,evenafterdropping2fromleft,3isaprime.Howmanytwodigitnumbersarerightprime? Answered by MJS…