Math

Find all the two digit prime numbers neither of whose digits are prime.

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  1. well, prime digits are 1,2,3,5,7

    The first number then is 44, then 46, 49, then 64, you finish.

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    bobpursley
  2. okay, thank you

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  3. is 48 included in the numbers you listed?

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  4. 48 is not a prime number.

    http://www.jiskha.com/display.cgi?id=1300106041

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    Writeacher

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