To cite package ‘primefactr’ in publications use:

Privé F (2018). primefactr: Use Prime Factorization for Computations. R package version 0.1.1, https://github.com/privefl/primefactr.

Corresponding BibTeX entry:

  @Manual{,
    title = {primefactr: Use Prime Factorization for Computations},
    author = {Florian Privé},
    year = {2018},
    note = {R package version 0.1.1},
    url = {https://github.com/privefl/primefactr},
  }