Forum: Miscellaneous Math
2021-03-02, 16:50
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Replies: 4
Views: 166
Let n > 2, and let Q be the largest prime less...
Let n > 2, and let Q be the largest prime less than n!. Let k be the least integer greater than 1 for which n! + k is prime.
Clearly k can be composed only of prime factors greater than n. If p...
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Forum: Forum Feedback
2021-03-02, 14:37
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Replies: 15
Views: 323
Ah, the examples tell the tale. When you shift...
Ah, the examples tell the tale. When you shift the initial value k bits to the left, it is no longer the constant value 2 being subtracted after each squaring. (This is not mentioned in the given...
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Forum: Forum Feedback
2021-03-02, 00:53
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Replies: 15
Views: 323
It's not entirely clear to me how the double...
It's not entirely clear to me how the double checking of an LL test using a left-shifted initial value is supposed to work. From what I have read,
1) The LL left-shifted double-check is only done...
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Forum: Soap Box
2021-03-01, 23:44
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Replies: 25
Views: 1,514
There's a Class action lawsuit...
There's a Class action lawsuit (https://www.truthinadvertising.org/wp-content/uploads/2020/06/Mondigo-v-Epson-America-complaint.pdf) filed against Epson on May 20, 2020. A previous such filing was...
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Forum: Soap Box
2021-03-01, 17:38
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Replies: 25
Views: 1,514
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Forum: Lounge
2021-03-01, 17:25
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Replies: 1,332
Views: 82,065
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Forum: FermatSearch
2021-03-01, 16:38
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Replies: 332
Views: 54,167
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Forum: Soap Box
2021-03-01, 14:50
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Replies: 25
Views: 1,514
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Forum: Lounge
2021-03-01, 14:32
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Replies: 977
Views: 71,425
From the context, I read "first post-pandemic...
From the context, I read "first post-pandemic race" as "first race since the pandemic began."
I bet it felt good to be back on a track again! :tu:
Hmm, doesn't look like all the spectators were...
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Forum: Lounge
2021-03-01, 13:37
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Replies: 1,682
Views: 138,692
Irv Cross...
Irv Cross (https://www.chicagotribune.com/sports/breaking/ct-irv-cross-obit-nfl-today-northwestern-hammond-20210301-xbv6yghkorcwfkszj5ipe6empi-story.html)
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Forum: Soap Box
2021-02-28, 00:34
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Replies: 17
Views: 369
No legal prohibition to a convicted felon...
No legal prohibition to a convicted felon becoming US president AFAIK. IIRC the now late Lyndon Larouche ran for president while incarcerated as a convicted felon (but did not come anywhere close to...
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Forum: Lounge
2021-02-28, 00:17
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Replies: 1,319
Views: 97,068
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Forum: Lounge
2021-02-27, 16:17
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Replies: 195
Views: 27,416
They look like either Common Grackles, or...
They look like either Common Grackles, or possibly some other kind of blackbird. Brewer's Blackbirds and Rusty Blackbirds are not entirely ruled out by coloration, due to unfavorable light...
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Forum: Soap Box
2021-02-27, 13:49
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Replies: 17
Views: 369
This is from a recent AP story about the CPAC...
This is from a recent AP story about the CPAC shindig (https://apnews.com/article/donald-trump-ted-cruz-elections-c5273f2cf5e1c478dd0d9b11b902bdf9).
Never mind the election, let's make him an...
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Forum: Reading
2021-02-26, 13:26
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Replies: 15
Views: 2,784
I tried to find out how much power a slug of...
I tried to find out how much power a slug of corium produces, without much success. I read that a lot of the heat is produced by the radioactive decay of short-lived isotopes. When the stuff hits...
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Forum: Lounge
2021-02-26, 12:13
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Replies: 56
Views: 9,402
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Forum: Miscellaneous Math
2021-02-24, 17:19
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Replies: 2
Views: 150
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Forum: Reading
2021-02-24, 16:32
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Replies: 15
Views: 2,784
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Forum: Soap Box
2021-02-24, 14:07
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Replies: 17
Views: 369
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Forum: Soap Box
2021-02-24, 01:47
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Replies: 684
Views: 52,446
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Forum: Lounge
2021-02-23, 23:02
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Replies: 1,072
Views: 69,033
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Forum: Soap Box
2021-02-23, 21:04
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Replies: 684
Views: 52,446
And so it ends...
Supreme Court rejects Trump election challenge cases (https://apnews.com/article/joe-biden-donald-trump-pennsylvania-elections-us-supreme-court-5cc6aee8c328c7bb1d423244b979bcec)
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Forum: Miscellaneous Math
2021-02-23, 15:18
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Replies: 32
Views: 1,377
Heh-heh. This means that each of the 25 primes...
Heh-heh. This means that each of the 25 primes less than 100 is a quadratic residue (mod p) and (mod q). We know that the smaller factor (say p) is less than 10^50 which is about 2^166. There are...
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Forum: Miscellaneous Math
2021-02-22, 21:52
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Replies: 10
Views: 327
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Forum: Soap Box
2021-02-22, 15:05
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Replies: 9
Views: 365
I am reminded of a long-ago next door neighbor...
I am reminded of a long-ago next door neighbor of mine who had come from Texas. Not a bad guy by any stretch, and if there were a Sweetest Gal on God's Green Earth contest his wife would have been...
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