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Maybe prime (Posted on 2024-12-09) Difficulty: 2 of 5
A positive integer is called "maybe prime" if all of its digits are primes and the number is not divisible by 2 or 3. Find the number of positive integers less than 10000 that are "maybe prime".

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
SolutionAnalytic SolutionBrian Smith2024-12-10 11:29:41
Solutioncomputer solution (spoiler)Charlie2024-12-09 14:38:05
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