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Messages 16013 - 16042 of 21093   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
16013
I'm puzzled. Symbolic polynomial division (with remainder) can easily be shown to be the same level of difficulty as factoring, but descriptions of the ...
Ron
ron_s_dotson
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Feb 1, 2005
12:55 pm
16014
... As factoring polynomials or integers? As far as I know, factoring polynomials is polynomial-time. At least factoring in Z/pZ. By the way, this underscores...
Décio Luiz Gazzoni...
deciogazzoni
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Feb 1, 2005
1:03 pm
16015
Primes in Arithmetic Progression Records at http://hjem.get2net.dk/jka/math/aprecords.htm now shows the smallest AP-k with minimal starting prime, and the AP-k...
Jens Kruse Andersen
jkand71
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Feb 2, 2005
1:15 am
16016
For n up to 3,000,000, there are only 3 cases of palindromic prime pi(n) of palindromic prime n: n=3,5,11, with pi(n)=2,3,5. Can anyone find other cases? ...
Zak Seidov
seidovzf
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Feb 2, 2005
9:26 am
16017
... b) in http://www.primepuzzles.net/puzzles/puzz_051.htm asks for the next. It reports exhaustive searching found 3 cases with palindromic composite pi(n): ...
Jens Kruse Andersen
jkand71
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Feb 2, 2005
12:40 pm
16018
The Sierpinski conjecture deals with n>=+1, presumably because k (odd).2^0+1 is always composite. (see...
Robert
robert44444uk
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Feb 2, 2005
7:07 pm
16019
Define a chain of primes of length n: {p_1,p_2...,p_n} such that C(p_(k-1))=p_(k)+1 for all 2<=k<=n where C(p_(k-1)) is the p_(k-1)-th composite. Example:...
Robin Garcia
sopadeajo2001
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Feb 2, 2005
10:59 pm
16020
... A set by definition relying on the number of primes or composites is questionable for The Largest Known Simultaneous Primes at ...
Jens Kruse Andersen
jkand71
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Feb 3, 2005
12:28 am
16021
For p prime, the integer p-1 is an important quantity in certain analyses (particularly if they involve the group (Z/pZ)*), but as I recall, this integer is...
Décio Luiz Gazzoni...
deciogazzoni
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Feb 4, 2005
1:50 am
16022
New sequences in EIS relating to RH: A100060, A102522, A102523, A102524.... .Gary...
qntmpkt
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Feb 4, 2005
4:35 am
16023
In a message dated 04/02/2005 01:54:40 GMT Standard Time, decio@... writes: So, if we're looking for an accurate numerical value of the probability that...
mikeoakes2@...
mikeoakes2
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Feb 4, 2005
10:56 am
16024
Two humble questions for AP gurus and theorists, but first 2 definitions. (CP-4) means a set of 4 CONSECUTIVE PRIMES NOT IN ARITHMETICAL PROGRESSION such that...
w_sindelar@...
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Feb 4, 2005
3:34 pm
16025
Let q a positive integer and 1<=r<=q. Is there a theorem that tells us how many integers a, 1<=a<=q, verify a^r=1 mod(q)? I have found that: (1) if q is prime...
hl59126
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Feb 4, 2005
5:06 pm
16026
... A (CP-N), N>=4, is N consecutive primes with gaps alternating between two different values. ... Let a, b, c be random consecutive primes around N. They...
Jens Kruse Andersen
jkand71
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Feb 4, 2005
5:28 pm
16027
A (CP-N), N>=4, is N consecutive primes with gaps alternating between two different values. The first (CP-8) has gaps 10 and 8: ...
Jens Kruse Andersen
jkand71
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Feb 4, 2005
6:11 pm
16028
Sorry for not making a single post after completing computations. I have stopped now. ... The second (CP-10) is 16 times larger with gaps 28 and 2: 87873432313...
Jens Kruse Andersen
jkand71
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Feb 4, 2005
7:44 pm
16029
As expected, my idea proposed below is not new. David Broadhurst and Phil Carmody (both missed members of this list, unlike the Goldbach-proving spammers)...
Décio Luiz Gazzoni...
deciogazzoni
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Feb 4, 2005
11:26 pm
16030
Hi All! Could someone out there explain to me in simple terms, why, with all your research into prime numbers, it is not possible to prove When y = ( 2,3,4...)...
Bob Gilson
bobgillson
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Feb 5, 2005
8:11 am
16031
In a message dated 05/02/2005 08:12:13 GMT Standard Time, bobgillson@... writes: Could someone out there explain to me in simple terms, why, with all...
mikeoakes2@...
mikeoakes2
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Feb 5, 2005
11:19 am
16032
... Of course, I should have done a bit more thinking and less experimentation before posting, as I'm sure you have realized by now. If y^2-x^2 = p*q, where y...
mikeoakes2@...
mikeoakes2
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Feb 5, 2005
11:34 am
16033
... One snag: y^2-x^2 = (y-x)*(y+x) is a product of 2 primes if and only if (y-x and y+x are both primes) _or_ (y-x=1 and y+x is a product of 2 primes) The...
Jens Kruse Andersen
jkand71
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Feb 5, 2005
12:55 pm
16034
... primes) which implies the functional equation thinking(Jens) > thinking(Mike) -Mike Oakes [Non-text portions of this message have been removed]...
mikeoakes2@...
mikeoakes2
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Feb 5, 2005
1:31 pm
16035
Hello primehunters, after long time today, I have found a new 9-tuplet. The record is: 90421624808713.300#+103498931 + 0,2,6,8,12,18,20,26,30 More 8-tuplets...
Norman Luhn
nluhn
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Feb 6, 2005
5:58 pm
16036
... Congratulations! It is also the largest known case of 9 simultaneous primes. http://hjem.get2net.dk/jka/math/simultprime.htm has been updated. -- Jens...
Jens Kruse Andersen
jkand71
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Feb 6, 2005
10:33 pm
16037
Fermat realized this 300 years earlier. And, this is the basis of his factoring algorithm. Milton L. Brown miltbrown at earthlink.net ... conjecture is ... ...
Milton Brown
miltbrown@...
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Feb 7, 2005
11:31 am
16038
There seem to be a lot of conjectures/open questions regarding the existence of certain collections of primes (e.g. tuplets or arithmetic progressions) or the...
mad37wriggle
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Feb 8, 2005
2:10 am
16039
... The Riemann hypothesis. If you also consider computational number theory, then settling down whether P == NP would be equally, if not more important. ...
Décio Luiz Gazzoni...
deciogazzoni
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Feb 8, 2005
2:55 am
16040
Christ van Willegen has found the largest known 14-tuplet: 26093748*67# + 383123187762431 + 0, 2, 6, 8, 12, 18, 20, 26, 30, 32, 36, 42, 48, 50 Congratulations...
Jens Kruse Andersen
jkand71
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Feb 8, 2005
3:30 am
16041
http://primes.utm.edu/top20/page.php?id=2 " Around 1825 Sophie Germain proved that the first case of Fermat's Last Theorem is true for such primes. Soon after...
John W. Nicholson
reddwarf2956
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Feb 8, 2005
4:10 am
16042
Twin primes are of these forms (p; p+2) so that p and p+2 are primes. What about prime pairs of this type (p; p+4). What is known about them?...
mcnamara_gio
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Feb 8, 2005
2:54 pm
Messages 16013 - 16042 of 21093   Oldest  |  < Older  |  Newer >  |  Newest
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