Forum: Lounge
2020-12-28, 19:17
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Replies: 1,630
Views: 127,854
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Forum: Lounge
2020-12-13, 23:07
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Replies: 1,630
Views: 127,854
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Forum: Lounge
2020-12-03, 06:48
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Replies: 1,630
Views: 127,854
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Forum: Science & Technology
2020-11-24, 16:17
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Replies: 64
Views: 3,095
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Forum: Science & Technology
2020-11-24, 13:42
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Replies: 64
Views: 3,095
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Forum: Science & Technology
2020-11-23, 21:09
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Replies: 64
Views: 3,095
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Forum: Science & Technology
2020-11-23, 04:57
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Replies: 64
Views: 3,095
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Forum: Data
2020-10-24, 23:17
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Replies: 3,360
Views: 239,254
Primes with more than 2 million digits
Today we reached a milestone of sorts with the 97th and 100th primes that have more than 2 million digits.
39×26648997+1 100th. 2'001,550 digits
39x26684941+1 . 97th. 2'013,370...
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Forum: sweety439
2020-10-01, 17:10
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Replies: 10
Views: 735
Forgive me if i'm wrong.
isn't it that 22,...
Forgive me if i'm wrong.
isn't it that 22, 33, 44... 99 are 2-digit palindromic numbers?
And what about 1001, 1111, 1221, 1331... 9889, 9999. Aren't those 4 digit palindromic numbers?
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Forum: Computer Science & Computational Number Theory
2020-08-31, 03:01
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Replies: 34
Views: 15,897
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Forum: Lounge
2020-08-27, 09:04
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Replies: 48
Views: 7,312
Took about 15 min to figure the geometry. ...
Took about 15 min to figure the geometry. (asuming water temperture at 0.1ºC (32.2ºF) and air pressure about 4.6 Torr) :smile:
and then 5 mins to do the math. it comes to Sqrt(15)*4 + Sqrt(2)*2=...
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Forum: Riesel Prime Search
2020-08-02, 17:36
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Replies: 230
Views: 34,682
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Forum: Riesel Prime Search
2020-08-01, 17:44
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Replies: 230
Views: 34,682
Largest prime for 2020 (till now)
TO BE VERIFIED
Congratulations to Serge Batalov.
Gaussian Mersenne. #20 on the current list.
215317227 + 27658614 + 1
4,610,945 digits.
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Forum: Lounge
2020-07-30, 22:25
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Replies: 1,630
Views: 127,854
Pokemon quote:
“Life can be a challenge....
Pokemon quote:
“Life can be a challenge. Life can seem impossible. It’s never easy when there’s so much on the line. But you and I can make a difference. There’s a mission just for you and me.”
...
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Forum: Computer Science & Computational Number Theory
2020-06-26, 22:11
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Replies: 9
Views: 2,785
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Forum: Cunningham Tables
2020-06-03, 21:54
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Replies: 74
Views: 26,156
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Forum: Lounge
2020-06-01, 07:28
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Replies: 1,630
Views: 127,854
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Forum: Cunningham Tables
2020-06-01, 05:19
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Replies: 74
Views: 26,156
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Forum: Riesel Prime Search
2020-06-01, 01:38
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Replies: 230
Views: 34,682
NOT YET VERIFIED
The largest Generalized Fermat of the Year. (and also the largest of the form a^219+1 )
Congratulations to Wolfang and his team.
3638450524288 + 1 3439810 L4591 May 31st 2020
Ranked as 35...
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Forum: Cunningham Tables
2020-05-31, 18:59
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Replies: 74
Views: 26,156
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Forum: Cunningham Tables
2020-05-31, 07:00
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Replies: 74
Views: 26,156
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Forum: Lounge
2020-05-02, 19:43
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Replies: 5
Views: 783
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Forum: Computer Science & Computational Number Theory
2020-05-01, 22:28
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Replies: 34
Views: 15,897
Hello: The last post on this thread is a bit...
Hello: The last post on this thread is a bit short of twenty months old. Is there any chance some new calculation has increased the size of the known π(x) ?
For instance π(290 is very close to...
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Forum: Riesel Prime Search
2020-03-04, 03:02
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Replies: 230
Views: 34,682
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Forum: Riesel Prime Search
2020-03-03, 21:16
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Replies: 1,955
Views: 188,507
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