Forum: Information & Answers
2021-02-24, 20:24
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Replies: 14
Views: 163
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Forum: Software
2021-02-24, 05:17
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Replies: 7
Views: 502
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Forum: Miscellaneous Math
2021-02-19, 16:57
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Replies: 72
Views: 2,134
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Forum: Miscellaneous Math
2021-02-19, 15:50
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Replies: 72
Views: 2,134
...but you don't know the 165-year-old...
...but you don't know the 165-year-old Lucas-Lehmer test. For comparison, this (http://www.idaillinois.org/digital/collection/stc/id/22/) is what cars looked like 165 years ago, and this...
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Forum: Miscellaneous Math
2021-02-18, 13:51
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Replies: 18
Views: 969
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Forum: Miscellaneous Math
2021-02-18, 06:01
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Replies: 1
Views: 80
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Forum: Miscellaneous Math
2021-02-17, 19:14
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Replies: 32
Views: 979
See also...
See also https://www.loc.gov/standards/iso639-2/php/code_list.php (you could get lost in the ISO 639 standard, but 639-2 is a non-overwhelming subset).
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Forum: Miscellaneous Math
2021-01-29, 21:11
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Replies: 32
Views: 979
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Forum: Miscellaneous Math
2021-01-29, 05:33
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Replies: 32
Views: 979
Tell on, then! Why do you need to know? This...
Tell on, then! Why do you need to know? This should help us understand which sieves are applicable. For example, would you could the Brun sieve? Probably not, but without knowing what you're doing...
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Forum: Miscellaneous Math
2021-01-28, 19:28
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Replies: 32
Views: 979
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Forum: Miscellaneous Math
2021-01-27, 03:41
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Replies: 4
Views: 307
I think that's the only pure, nontrivial...
I think that's the only pure, nontrivial alternating sequence in the OEIS at the moment. There are A062157, A105812, A117154, A165326, and A280560 which alternate after some finite prefix, and of...
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Forum: Science & Technology
2020-12-29, 21:00
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Replies: 116
Views: 5,020
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Forum: ONeil
2020-12-29, 20:51
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Replies: 28
Views: 1,078
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Forum: ONeil
2020-12-29, 04:43
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Replies: 28
Views: 1,078
> Mod(2,13)^109947391-1
%1 = Mod(10, 13)
...
> Mod(2,13)^109947391-1
%1 = Mod(10, 13)
Sorry, try again next time. You might want to read up (https://primes.utm.edu/glossary/page.php?sort=MersenneDivisor) on the special form of Mersenne...
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Forum: Science & Technology
2020-12-29, 02:27
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Replies: 116
Views: 5,020
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Forum: Science & Technology
2020-12-28, 20:33
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Replies: 116
Views: 5,020
First: Health care personnel with potential...
First: Health care personnel with potential exposure to COVID patients and LTCF residents (nursing home patients)
Second: Frontline essential workers (First responders [firefighters, police],...
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Forum: ONeil
2020-12-26, 04:11
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Replies: 49
Views: 2,298
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Forum: Prime Gap Searches
2020-12-18, 04:10
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Replies: 9
Views: 878
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Forum: ONeil
2020-12-18, 03:45
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Replies: 84
Views: 2,200
To back up Serge, there are at least three...
To back up Serge, there are at least three currently approved cancer vaccines:
TICE BCG (a therapeutic vaccine for bladder cancer, CIS or more broadly NMIBC)
Hep B (chronic Hep B infection is...
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Forum: ONeil
2020-12-15, 18:09
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Replies: 84
Views: 2,200
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Forum: ONeil
2020-12-15, 08:05
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Replies: 84
Views: 2,200
Please let me know what parts you found...
Please let me know what parts you found convoluted and I'll see if I can simplify them further.
Pretty much, yes. There are plenty of wise people who are cautious about vaccines, but not a...
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Forum: Factoring
2020-12-15, 06:45
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Replies: 9
Views: 1,015
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Forum: ONeil
2020-12-15, 06:28
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Replies: 84
Views: 2,200
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Forum: ONeil
2020-12-15, 06:23
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Replies: 84
Views: 2,200
Let's be careful here. There are many different...
Let's be careful here. There are many different products out there, and it would be silly to say that they're either all safe or all unsafe, and similarly that they're either all efficacious or all...
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Forum: Factoring
2020-12-14, 21:35
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Replies: 9
Views: 1,015
Be agile...
Be agile (https://en.wikipedia.org/wiki/Agile_software_development) and build a minimal product before you even think about building in more features. A working library is better than a great concept...
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