new candidat for M45

[m_f_h]

Originally Posted by cheesehead

Near the bottom of page http://www.mersenne.org/status.htm, (...) The link points to file decomp.zip, which contains decomp.exe for decompressing the FACTORS and NOFACTOR files, and a "readme" so short I'll reproduce it here

Thanks cheesehead for putting the readme here since the "unix users" link points to a nonexistent page, where one cannot find anything about 'pkuz251' (and thus even less the readme) ; of course anybody can read ZIP files but the unzipped version is not yet very understandable ; also searching this forum for "format factors.zip" or so does not gine any result.
I never looked at that question, isn't it possible to provide a little script to extract human readable data from the .CMP files ? (the advantage of a script w.r.t. to a cryptic EXE being that enyone can understand the format and program it's own script.)
PS: even google gives for "format of factors.cmp" ony 3 pages, 2 of which are irrelevant. so some info about the format would be quite useful for "the world outside".

[m_f_h]

It's not really a reading problem, but (rather an allergy against M$-DOG)... I now noticed that DECOMP.ZIP also has DECOMP.C in it which is not a C++ but a C program so unix users can do
gcc -xc -lm DECOMP.C ; ln -s FACTORS.CMP factors.cmp ; ./a.out -k [ A B ]
to create a file "factors" with the factors for exponents in between A and B.
I'll see if one can simplify this to a minimalistic script running in acceptable time (I notice the sieving process) to just display factors...
It's really wierd... even knowing the advantages of the KISS principle... it's full of stuff like
if (DECOMPRESS_FACTORS) {
start_sieve (3, 79300000);
decompress_factors ("factors.cmp");
end_sieve ();
}
if (DECOMPRESS_NOFACTORS) {
start_sieve (3, 79300000);
decompress_nofactors ("nofactor.cmp");
end_sieve ();
}
and no possibility of choosing the input file name...

[cochet]

Thank you, Cheesehead, for your friendly and understanding explanations.
In French now :
Les exposants que j'ai proposé jusqu'ici sont tous faux, parce que j'ai le plus grand mal à interpréter la grille de lecture de la décomposition des nombres de Mersenne que j'ai devant les yeux. Je sais que cette grille est unique et qu'elle conduit à la solution de M45, comme d'ailleurs à celle des suivants. Pour lire ma grille, il y a des règles bien précises et je les identifie progressivement.
Je compte encore faire une ou deux tentatives de propositions, et si j'échoue, je livrerai sur le mersenneforum ma solution.

Thank you again
Alain

[S485122]

In English (?) quick and dirty : "The exponents I have tested so far are all wrong, because I have a lot of difficutlies interpreting the reading grid of Mersenne numbers decomposition I have before my eyes. I know this grid is unique and that it leads to the solution of M45 and following numbers. There are well defined rules to read the grid and I identify them progressively. I intend to propose one or two more tentative candidates and if I do not succeed I will reveal my solution on the forum."

[brunoparga]

m f h, thanks for your advice; people say "love hurts", and that's certainly true for my love for languages.

I'm asking this here so that at least anyone can learn anything useful in this thread

I thought of that word, "unzeitgemäss(ig)", as being a good translation for pt "extemporâneo", 'that which comes out of its appropriate time". How would you say that in German?

Bruno

[ewmayer]

Originally Posted by brunoparga

I thought of that word, "unzeitgemäss(ig)", as being a good translation for pt "extemporâneo", 'that which comes out of its appropriate time". How would you say that in German?

Hi, Bruno:

Assuming that the Portuguese extemporâneo has the same meaning as the English extemporaneous, i.e. "impromptu," "spur of the moment" or "off the cuff", a better german translation might be "improvisiert," "unvorbereitet" or (in the noun form) "Stegreif," as in "er hielt eine kurze Rede aus dem Stegreif." ("He gave a short off-the-cuff talk.")

[cheesehead]

Originally Posted by brunoparga

that which comes out of its appropriate time

Originally Posted by ewmayer

the English extemporaneous, i.e. "impromptu," "spur of the moment" or "off the cuff"

... rather than anachronistic, "chronologically out of place"?

But I admit the spelling is more compelling than a pun.

[ET_]

Originally Posted by cheesehead

... rather than anachronistic, "chronologically out of place"?

But I admit the spelling is more compelling than a pun.

Does the word "ucronic" exist in English?

Luigi

[cochet]

Very interressant, this linguistic thread !
I am happy to note that the biginning of the exchanges was about some words of the French langage. But it's normal : Mersenne and Lucas was French. Fermat so !
Well. Now, I propose again five numbers for the exponant of M45. They are in best correspondance whit my decomposition's grid of mersenne numbers :
39913373
39913409
39913421
39913451
39913453

Thanks for your appreciations
Alain

[akruppa]

You did not make the slightest effort to check your guesses against the known data, did you?

Alex

[cochet]

I have'nt found datas on my numbers. But, in spite of your indications, I do not always know how to verify them.
I suppose, with your answer, akruppa, that they are all false ?
Alain