Divisibility by 17

I thought that a test for divisibility by 17 ought to work like the test for divisibility by 13 that I described in my last post.  No such luck.  But something similar does work.

How to Check if a Number is Divisible by 17

How to Check if a Number is Divisible by 17

And here is a rough explanation why the method works.

How to Check if a Number is Divisible by 17 Why it Works

How to Check if a Number is Divisible by 17 Why it Works

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About jrh794

I am a sixty-five year old math instructor at Southern Oregon University. I taught at the College of the Siskiyous in Weed California for twenty-six years. Prior to that I worked as a computer programmer, carpenter and in various other jobs. I graduated from Rice University in 1967 and have a MS in Operations Research from Stanford. In the past I have hand-built a stone house and taken long solo bicycle tours. Now I ride my mountain bike and play golf for recreation.
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