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Homework Help: Practical use of the phi function

  1. Jun 30, 2010 #1
    I am not sure if this is the right section but I thought you physicists may be able to give me an example.

    I am demonstrating the usefulness of the phi function and finding the last two digits of [tex]107^{999999999}[/tex]

    I am just wonder where in physics or astronomy such a massive number would come in handy. I think the audience would benefit from a practical example but I am not sure if something so big is relevant.

    this number has [tex]999999999log(107)+1[/tex] digits so it's very very big...
  2. jcsd
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