@inproceedings{ove1951on,
title={On the highest prime-power which divides$n$!},
author={Ove Hemer},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203412605195860},
booktitle={Arkiv for Matematik},
volume={1},
number={4},
pages={383-388},
year={1951},
}