The Puzzlers

I was born and grew up in Ethiopia. I obtained Ass. Deg.in Construction Technology and a B.Sc. in Hydraulic Engineering, back home (Ethiopia). I studied and obtained my M.Sc. in Water Resources Engineering in Brussels, Belgium. Currently, I work for the Maryland Department of Transportation (20 years come October 2026). I am married and a father of two girls (one a sophomore at University of Maryland, with a goal to be a Dentist, and the second a senior, who aspires to be a Neurosurgeon). I am a civil engineer by profession, with a longstanding interest in mathematics and a particular fascination with number theory. While mathematics is not my professional field, solving challenging mathematical puzzles has been a favorite pursuit, and I regularly participate in online communities devoted to mathematical problem-solving, typically at MindYourDecisions (https://www.youtube.com/@MindYourDecisions/community), hosted by Presh Talwarkar. I also contribute to tutoring high school students in the DC-Maryland-Virginia area through the Ethiopian Church Community. This prime-number puzzle is my first original puzzle. Outside of mathematics, I enjoy writing poetry and playing chase.

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