Calculus

What is the largest two digit prime number whose digits are both
prime numbers?

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  1. I will be happy to critique your thinking.

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    bobpursley
  2. well i know it has to begin and end with a 1,3,4,5, or 7.but i dnt know at to do after...

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  3. well i know it has to begin and end with a 1,3,4,5, or 7.but i dnt know at to do after

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  4. 77

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  5. 11

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