MHB Help proving prime and permutation

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The discussion centers on a request for help in proving a mathematical concept related to prime numbers and permutations. The original poster expresses uncertainty about using linear combinations and a lack of familiarity with combinatorics. A user welcomes the poster and points out that the image link provided is not functioning. The conversation highlights the need for clearer communication and proper resources to facilitate understanding. Clarifying the image issue is essential for further assistance in the proof.
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https://imgur.com/a/9tDdMqt

Hey So I am trying to prove this.

I tried using linear combinations and not sure how that would help. I am just not familiar with combinatorics and wondering if anyone would enlighten me.
 
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zachthemath said:
https://imgur.com/a/9tDdMqt

Hey So I am trying to prove this.

I tried using linear combinations and not sure how that would help. I am just not familiar with combinatorics and wondering if anyone would enlighten me.

Hi zachthemath, welcome to MHB!

Your picture link does not seem to work.
Can you fix it?
 
There is a nice little variation of the problem. The host says, after you have chosen the door, that you can change your guess, but to sweeten the deal, he says you can choose the two other doors, if you wish. This proposition is a no brainer, however before you are quick enough to accept it, the host opens one of the two doors and it is empty. In this version you really want to change your pick, but at the same time ask yourself is the host impartial and does that change anything. The host...

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