Determine the last six digits of the decimal number given by 7^(3^3002).

This problem can also be solved by application of Binomial Theorem and basic mod arithmetic.<o:p></o:p>

Hint: Start by expanding  7^5000 in terms of Binomial theorem.<o:p></o:p>

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Posted by K Sengupta on 2006-05-03 12:27:14