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How old are the daughters ?

+1 vote
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Lena Dunham , Allison Williams, and Jemima Kirke are 3 daughters of a good mathematician "Geroge".
When I asked George the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters ?

posted Aug 24, 2016 by Varuna Magar

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1 Answer

+2 votes
 
Best answer

Their ages can be : 2,5, and 7 (all prime)
7-2=5 (prime)
7-5=2 (prime)
5-2=3 (prime)

answer Aug 24, 2016 by Smriti



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