Calculus

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

  • Calculus -

    I will be happy to critique your thinking.

  • Calculus -

    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

  • Calculus -

    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...

  • Calculus -

    77

  • Calculus -

    11

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