Primel

Problem of the Week - January 16, 2023



Primel is a game where a secret 5-digit prime must be found within 6 guesses.  Some 5-digit prime numbers end with the digits 61 such as 12161 and 52861.

How many choices are there for 5-digit primes ending in 61?

Problem submitted by Pat Costello, Eastern Kentucky University

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