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Prime ages (Posted on 2017-08-23) Difficulty: 3 of 5
My old friend Bruno the mathematician released last week at his birthday party the following trivia :
"Twice in my life my age was equal to the largest prime divisor of the then current year".

Bruno is not senile, there is no reason not to believe him. As far as I know he was born after WWII and still does not consider retirement.

How old is Bruno?

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
solutionPaul2017-08-23 11:41:27
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