Forum: Miscellaneous Math
2021-01-27, 03:41
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Replies: 4
Views: 177
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: 62
Views: 2,032
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Forum: ONeil
2020-12-29, 20:51
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Replies: 28
Views: 875
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Forum: ONeil
2020-12-29, 04:43
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Replies: 28
Views: 875
> 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: 62
Views: 2,032
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Forum: Science & Technology
2020-12-28, 20:33
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Replies: 62
Views: 2,032
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: 1,676
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Forum: Prime Gap Searches
2020-12-18, 04:10
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Replies: 9
Views: 649
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Forum: ONeil
2020-12-18, 03:45
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Replies: 84
Views: 1,698
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: 1,698
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Forum: ONeil
2020-12-15, 08:05
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Replies: 84
Views: 1,698
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: 740
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Forum: ONeil
2020-12-15, 06:28
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Replies: 84
Views: 1,698
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Forum: ONeil
2020-12-15, 06:23
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Replies: 84
Views: 1,698
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: 740
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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Forum: ONeil
2020-12-14, 07:57
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Replies: 17
Views: 453
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Forum: Prime Gap Searches
2020-12-14, 06:48
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Replies: 9
Views: 649
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Forum: Miscellaneous Math
2020-12-12, 05:34
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Replies: 50
Views: 6,641
Yes. Basically, there was too much research for...
Yes. Basically, there was too much research for me to post just one or two papers, and not enough in your question to narrow the field down, so I just linked to a search showing the sorts of papers...
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Forum: Information & Answers
2020-12-12, 05:25
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Replies: 2
Views: 274
Less than or equal to, yes. (The bold part is...
Less than or equal to, yes. (The bold part is necessary in case you encounter the square of a prime.) But this is a very slow method and much better ones are known even for quite small numbers.
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Forum: Miscellaneous Math
2020-12-10, 19:40
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Replies: 50
Views: 6,641
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Forum: Prime Gap Searches
2020-12-06, 06:54
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Replies: 9
Views: 649
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Forum: ONeil
2020-12-06, 06:45
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Replies: 8
Views: 300
Let me break this down. You have 12 polynomials...
Let me break this down. You have 12 polynomials in p (let's suppose this is prime), six of which are quadratic and six of which are linear (constant multiples of p, in fact). But it's pretty obvious...
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Forum: GMP-ECM
2020-12-04, 06:01
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Replies: 10
Views: 1,068
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Forum: ONeil
2020-12-04, 05:58
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Replies: 6
Views: 238
I tested this on the odd primes below 10^8 and...
I tested this on the odd primes below 10^8 and found that it worked on 10.9% of them and failed on the balance. This is actually worse than you'd expect for a procedure that generates random odd...
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Forum: Number Theory Discussion Group
2020-11-12, 06:30
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Replies: 10
Views: 1,039
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