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 Showing results 1 to 8 of 8 Search took 0.01 seconds. Search: Posts Made By: paulunderwood
 2021-11-14, 00:06 Replies: 56 Views: 9,624 Posted By paulunderwood The same reasoning why a CPAP-11 has yet to be... The same reasoning why a CPAP-11 has yet to be found: https://en.wikipedia.org/wiki/Primes_in_arithmetic_progression#Consecutive_primes_in_arithmetic_progression I found precomputing the primorial...
 2021-11-13, 23:23 Replies: 56 Views: 9,624 Posted By paulunderwood Very nice! Did you use a lot of cycles sieving... Very nice! Did you use a lot of cycles sieving and PRP'ing?
 2021-09-25, 18:36 Replies: 56 Views: 9,624 Posted By paulunderwood :shock: :shock: :shock: :shock: Should that... :shock: :shock: :shock: :shock: Should that not be n=-1..2? And... a=5606879602425*2^1290000-1 and d=33*2^2939063-5606879602425*2^1290000 So a-d is negative :ermm: a+d = 33*2^2939063 - 1
 2021-09-24, 00:50 Replies: 56 Views: 9,624 Posted By paulunderwood :bow: This is huge! Surely it will top the second... :bow: This is huge! Surely it will top the second table for top20 APs (https://primes.utm.edu/top20/page.php?id=14), with almost unassailable points. Nice ingenuity!
 2021-09-07, 10:43 Replies: 56 Views: 9,624 Posted By paulunderwood Congrats, Peter, for this AP-6. I am looking... Congrats, Peter, for this AP-6. I am looking forward to your submissions to the UTM top20 and JK Andersen's list. :party:
 2019-05-23, 02:10 Replies: 56 Views: 9,624 Posted By paulunderwood Effectively, they are the same. :smile: Effectively, they are the same. :smile:
 2019-05-22, 02:44 Replies: 56 Views: 9,624 Posted By paulunderwood Maybe someone else knows of one. Mark a.k.a,... Maybe someone else knows of one. Mark a.k.a, rogue?
 2019-05-20, 23:44 Replies: 56 Views: 9,624 Posted By paulunderwood Ken Davis and I have found 5 AP9s over 1000... Ken Davis and I have found 5 AP9s over 1000 digits. When searching for them we did not log AP4s. I found: AP5 1,020,833,527 AP6 7,270,362 AP7 63,368 AP8 336 AP9 5 (Not disjoint.) Here is...
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