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-   -   Merry Christmas and a prime! (M50 related) (https://www.mersenneforum.org/showthread.php?t=22837)

Madpoo 2018-01-03 20:33

[QUOTE=Chuck;476241]Hooray! I see from the history that I did trial factoring on this new prime from 72 to 74. :smile:[/QUOTE]

And turns out that was a total waste of time. LOL

Madpoo 2018-01-03 20:39

FYI, in "techie" type news, we're competing with the Intel CPU bug today, but oh well. That is a bigger deal after all.

chalsall 2018-01-03 20:45

[QUOTE=Chuck;476241]Hooray! I see from the history that I did trial factoring on this new prime from 72 to 74. :smile:[/QUOTE]

Yup! :smile:

I'm sometimes asked how much the GPU TF'ing helps with finding Mersenne Primes. Between M49 and M50 we found 3,457 factors. Based on an estimated average of 138 LL tests per day (over the last 90 days), we helped find this MP ~25 days earlier than if GPU TF'ing wasn't done.

Nick 2018-01-03 21:12

[QUOTE=Madpoo;476245]FYI, in "techie" type news, we're competing with the Intel CPU bug today, but oh well. That is a bigger deal after all.[/QUOTE]

[SIZE=7]WHAT? [/SIZE]:beatdown:

jbpace 2018-01-03 21:30

Thanks everyone!
 
[QUOTE=ixfd64;476236]You could say we're picking up the Pace.[/QUOTE]

Nope, never heard that one before :rolleyes:.

I sincerely can’t explain how it feels reading a casual email from George saying my PC reported a prime, and could I possibly forward the last save file :surprised:! Being hundreds of miles away from home (returned yesterday) certainly didn’t speed the announcement.

I’ve participated for so long, chasing (& expecting nothing more than) higher rank in the reports, factoring an actual Mersenne prime assignment beggared belief. Still does!

I thank all who’ve offered me congratulations, but this was a group effort and [I]all[/I] volunteers (i.e. you) deserve congratulations for finding another Mersenne prime, so...

Congratulations GIMPS volunteers!!

ewmayer 2018-01-03 22:06

[QUOTE=ATH;476207]New entry on the GIMPS primegaps list:
[snip][/QUOTE]

BTW, Andreas, you have me to thank for the umlaut in your last name in the press release - I hope it ended up over the right letter. :)

Madpoo 2018-01-03 22:33

[QUOTE=ewmayer;476257]BTW, Andreas, you have me to thank for the umlaut in your last name in the press release - I hope it ended up over the right letter. :)[/QUOTE]

You put it over the "n", right?

ewmayer 2018-01-03 22:53

1 Attachment(s)
[QUOTE=Madpoo;476265]You put it over the "n", right?[/QUOTE]

I was tempted to, but it seems some over-the-hill English hard-rock band has trademarked that:

lycorn 2018-01-03 23:14

[QUOTE=petrw1;476205]I'd be curious to know how many others missed out on the glory by starting and subsequently abandoning an LL test on this exponent.
[/QUOTE]

Well, that never happened to me, but I did the first time test of M20996009, and M20996011 is prime! (M40, actually). Oh well,... :bangheadonwall:

JeppeSN 2018-01-03 23:46

[QUOTE=Madpoo;476265]You put it over the "n", right?[/QUOTE]

[URL="https://en.wikipedia.org/wiki/N%CC%88"]Wikipedia: N̈[/URL] Test big:

[SIZE="7"]N̈ n̈[/SIZE]

/JeppeSN

chalsall 2018-01-04 00:01

[QUOTE=JeppeSN;476281][URL="https://en.wikipedia.org/wiki/N%CC%88"]Wikipedia: N̈[/URL] Test big:

[SIZE="7"]N̈ n̈[/SIZE]

/JeppeSN[/QUOTE]

Just to explain this joke... An umlaut (double dots above a charter) is almost only ever done with a vowel, to remove the following e. Möbius, for example.


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