Problem of the Week

A new problem every Monday that challenges participants of all ages to think creatively and apply their math skills. Perfect for a weekly mental challenge.

If the letters a, b, c, …, x, y correspond in order to the first 25 prime numbers then what is the product of (a – z)(b – z)(c – z)…(y – z) if z is the 11th Fibonacci number?

Problem submitted by Mike Schieffer, Austin, TX


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