https://gdpark.blog/tags/divisibility/Recent content in Divisibility on gdpark.blogHugoenSat, 30 Jan 2016 00:00:00 +0000https://gdpark.blog/posts/linear-algebra-19-number-theory-and-polynomial-background-for-the-decompositio/Sat, 30 Jan 2016 00:00:00 +0000https://gdpark.blog/posts/linear-algebra-19-number-theory-and-polynomial-background-for-the-decompositio/A casual walk through naturals, integers, divisibility, and the division algorithm, building up to why any subset of Z closed under +, −, and × must look like nZ.