English

Random index of codivisibility

Number Theory 2013-10-18 v1 Probability

Abstract

The index of codivisibility of a set of integers is the size of its largest subset with a common prime divisor. For large random samples of integers, the index of codivisibility is approximately normal.

Cite

@article{arxiv.1310.4681,
  title  = {Random index of codivisibility},
  author = {José L. Fernández and Pablo Fernández},
  journal= {arXiv preprint arXiv:1310.4681},
  year   = {2013}
}
R2 v1 2026-06-22T01:48:51.945Z