GCD of the numbers in a sequence (JBMO 2001)
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- Posts:107
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Let $A_n=2^{3n}+3^{6n+2}+5^{6n+2}$ for $n=0,1,2,....,1999$. Find the GCD of these numbers.
Re: GCD of the numbers in a sequence (JBMO 2001)
- What is the value of the contour integral around Western Europe?
- Zero.
- Why?
- Because all the poles are in Eastern Europe.
Revive the IMO marathon.
- Zero.
- Why?
- Because all the poles are in Eastern Europe.
Revive the IMO marathon.
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- Posts:107
- Joined:Sun Dec 12, 2010 10:46 am
Re: GCD of the numbers in a sequence (JBMO 2001)
Similarly find out the GCD of the numbers of the form $n^{13}-n$ where $n$ is a natural number.