Tag Archives: repetend

Finding the repetend length of a decimal expansion

Posted on February 8, 2019 by Brent

We’re still trying to find the prefix length and repetend length of the decimal expansion of a fraction , that is, the length of the part before it starts repeating, and the length of the repeating part. In my previous … Continue reading →

Posted in computation, group theory, modular arithmetic, number theory, pattern | Tagged , , , , , , | Comments Off on Finding the repetend length of a decimal expansion

More on repetend lengths

Posted on January 27, 2009 by Brent

In a previous post, I noted that the length of the repetend (repeating portion of the decimal expansion) of a fraction with prime denominator p is at most p-1, and in fact divides p-1. I also said: In fact, there’s … Continue reading →

Posted in group theory, number theory, pattern, primes | Tagged , , , , | 6 Comments