MathDB
P22 [Number Theory] - Turkish NMO 1st Round - 2014

Source:

May 26, 2014
modular arithmeticnumber theory

Problem Statement

What is remainder when 201420152014^{2015} is divided by 121121?
<spanclass=latexbold>(A)</span> 45<spanclass=latexbold>(B)</span> 34<spanclass=latexbold>(C)</span> 23<spanclass=latexbold>(D)</span> 12<spanclass=latexbold>(E)</span> 1 <span class='latex-bold'>(A)</span>\ 45 \qquad<span class='latex-bold'>(B)</span>\ 34 \qquad<span class='latex-bold'>(C)</span>\ 23 \qquad<span class='latex-bold'>(D)</span>\ 12 \qquad<span class='latex-bold'>(E)</span>\ 1