×

INMO 2015

For any natural number n > 1 write the finite decimal expansion of \frac{1}{n} (for example we write \frac{1}{2}=0.4\overline{9} as its infinite decimal expansion not 0.5). Determine the length of non-periodic part of the (infinite) decimal expansion of \frac{1}{n}.

Note by Nitish Deshpande
2 years, 5 months ago