Matt Ball on Technology: Is 91 Prime? - Dave's Blog
Search
My timeline on Mastodon
Matt Ball on Technology: Is 91 Prime?
2008 Mar 12, 1:57
How to test if an integer is divisible by 2, 5, 3, 7, or 11. I knew about testing for divisibility by 3 but not why it worked.
blog
math
article
prime
Older Entries
Some rights reserved
.