June 30th, 2018, 02:56 AM  #1 
Senior Member Joined: Dec 2015 From: iPhone Posts: 474 Thanks: 73  Infinite primes question
Are there infinitely many primes of form $\displaystyle p=1+n! \; $
Last edited by skipjack; July 1st, 2018 at 12:31 AM. 
June 30th, 2018, 12:16 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,727 Thanks: 687  
June 30th, 2018, 07:39 PM  #3 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,634 Thanks: 2620 Math Focus: Mainly analysis and algebra 
It has answer too. https://math.stackexchange.com/quest...oftheformn1 

Tags 
infinite, primes, question 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
An infinite number (?) of primes using the uple totient  momo  Number Theory  16  June 3rd, 2017 03:19 PM 
There are infinite primes p: p1 is Square number  mathcool  Number Theory  1  December 9th, 2011 04:58 AM 
Help with an infinite primes of the form proof  WheepWhoop  Number Theory  7  October 20th, 2011 05:09 PM 
Infinite product of odd primes^2 divisible by Pi^2  Agno  Number Theory  1  May 9th, 2011 03:49 PM 
There are infinite primes p: p1 is Square number  mathcool  Math Events  0  December 31st, 1969 04:00 PM 