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Simple Prime Numbers Questions

  1. Mar 10, 2007 #1
    How do I find out if 4^2007 + 2007^4 is a prime number or not?
  2. jcsd
  3. Mar 10, 2007 #2


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    Dearly Missed

    Is that a question or a puzzle?
  4. Mar 10, 2007 #3


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    Write a program and let the computer figure it out. :biggrin:
  5. Mar 11, 2007 #4
    I will tell you, it's not prime; I don't want to say more.
    Last edited: Mar 11, 2007
  6. Mar 11, 2007 #5


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    try using modular arithmetic. i.e. p divides N if N is congruent to 0 modp.

    this is not speculation, this is a hint.
    Last edited: Mar 12, 2007
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