Forum: Lounge
2022-05-27, 14:12
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Replies: 373
Views: 45,067
On May 27:
In 1905, the Japanese fleet...
On May 27:
In 1905, the Japanese fleet destroyed most of the Russian East Sea Fleet in the Battle of Tsushima, insuring Japan's victory in the Russo-Japanese War.
In the runup to the war,...
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Forum: Soap Box
2022-05-27, 12:10
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Replies: 933
Views: 86,991
From a list of victims in Los Angeles Times...
From a list of victims in Los Angeles Times (https://www.latimes.com/california/story/2022-05-25/victims-of-uvalde-texas-school-shooting). Ages not given had not yet been confirmed before...
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Forum: GPU to 72
2022-05-27, 01:43
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Replies: 5,292
Views: 424,377
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Forum: Soap Box
2022-05-27, 01:20
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Replies: 933
Views: 86,991
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Forum: Soap Box
2022-05-26, 11:44
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Replies: 933
Views: 86,991
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Forum: Soap Box
2022-05-25, 23:58
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Replies: 933
Views: 86,991
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Forum: Soap Box
2022-05-25, 23:34
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Replies: 933
Views: 86,991
In this recent post...
In this recent post (https://www.mersenneforum.org/showpost.php?p=605235&postcount=126) I quoted from Martin Luther King Jr.'s Letter From the Birmingham Jail. That quotation comes to mind again.
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Forum: Lounge
2022-05-25, 13:50
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Replies: 373
Views: 45,067
On Thursday, May 25, 1961, President John F....
On Thursday, May 25, 1961, President John F. Kennedy made a speech before the House of Representatives. Most of it was about the Cold War. However, there was one bit near the end that became better...
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Forum: Soap Box
2022-05-25, 02:46
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Replies: 933
Views: 86,991
Gunman at a Texas elementary school kills 19...
Gunman at a Texas elementary school kills 19 students and two adults before being fatally shot, officials say (https://www.cnn.com/2022/05/24/us/uvalde-texas-elementary-school-shooting/index.html)If...
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Forum: Lone Mersenne Hunters
2022-05-25, 02:20
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Replies: 2,143
Views: 315,343
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Forum: Soap Box
2022-05-24, 02:59
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Replies: 8
Views: 152
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Forum: Soap Box
2022-05-23, 23:25
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Replies: 8
Views: 152
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Forum: Soap Box
2022-05-23, 16:58
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Replies: 187
Views: 42,841
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Forum: Lounge
2022-05-23, 12:34
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Replies: 38
Views: 3,081
Cosmos caudatus? Never heard of it. <google...
Cosmos caudatus? Never heard of it. <google google>
Hmm. I may have had one - and purely by chance - last year. I had Diablo, Bright Lights, Picotee and Sensation Cosmos. But there was this...
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Forum: Lounge
2022-05-22, 13:51
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Replies: 38
Views: 3,081
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Forum: sweety439
2022-05-22, 02:57
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Replies: 417
Views: 33,666
Assuming that n = X1X1 is a positive integer...
Assuming that n = X1X1 is a positive integer congruent to 1 (mod 12), then
12^{\varphi(n)}\;-\;1
is a base twelve palindromic number divisible by n. It may not be the smallest such.
Nil...
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Forum: Lounge
2022-05-21, 16:40
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Replies: 1,178
Views: 116,631
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Forum: Miscellaneous Math
2022-05-21, 13:58
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Replies: 8
Views: 534
No. The number of k-digit blocks of decimal...
No. The number of k-digit blocks of decimal digits is 10^k. The number of k-digit endings of 2^n, n ≥ k, is 4*5^(k-1). (4*5^(k-1))/10^k is a tiny, tiny fraction if k is at all large. For k = 40,...
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Forum: Lounge
2022-05-21, 03:02
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Replies: 1,178
Views: 116,631
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Forum: Number Theory Discussion Group
2022-05-20, 00:54
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Replies: 14
Views: 985
Drop the exclusion of primes. Say...
Drop the exclusion of primes. Say "representations" rather than "compositions". The meaning of "different" may be different from what you think it is.Happy googling!
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Forum: Lounge
2022-05-20, 00:43
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Replies: 1,178
Views: 116,631
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Forum: Soap Box
2022-05-19, 00:54
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Replies: 107
Views: 12,709
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Forum: Lounge
2022-05-18, 13:26
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Replies: 1,691
Views: 194,635
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Forum: Soap Box
2022-05-18, 12:02
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Replies: 933
Views: 86,991
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Forum: Lounge
2022-05-18, 11:25
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Replies: 1,691
Views: 194,635
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