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Old 2018-12-24, 18:01   #221
chalsall
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Default Media uptake is very disappointing this time around...

This article on Sci-News just appeared in my Google News feed.
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Old 2018-12-24, 18:26   #222
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Default New to YoutTube

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Old 2018-12-24, 22:46   #223
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A new mersenne prime number, a new perfect number in relationship
and perhaps more peace


4 textmarker, some bottles, a little bit of water and an UV-neonlamp :


Happy Christmas


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Old 2018-12-25, 17:49   #224
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Thumbs up

My wife just read aloud from this web news story from Danish Broadcasting Corporation ("Danmarks Radio"): Verdens hidtil største primtal er fundet: 'Det er helt vanvittigt stort' /JeppeSN
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Old 2018-12-26, 16:05   #225
ATH
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News site in India:

https://newsd.in/new-largest-prime-n...troke-of-luck/

Last fiddled with by ATH on 2018-12-26 at 16:05
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Old 2018-12-26, 17:06   #226
ixfd64
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Scientific American article: https://blogs.scientificamerican.com...st-known-prime
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Old 2018-12-26, 23:05   #227
ewmayer
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Quote:
Originally Posted by ixfd64 View Post
Re. 'memorizing the prime', I'll just go with my standard phone-keypad mnemonic for memorizing the (decimal-form, obviously) exponent:
Code:
8	tuv
2	abc
5	jkl
8	tuv
9	wxyz
9	wxyz
3	def
3	def
So, maybe a made-up word that sounds like a possible name for a dollar store: 'valuwyde'.
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Old 2018-12-26, 23:57   #228
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Quote:
Originally Posted by ixfd64 View Post
This mersenne prime exponent is easier to remember than most of nontrivial length.
Think phone keypad.
123
456
789
*0#
Ignoring the bottom most row with * and #; bottom center 8, then in order from top to bottom, 3 pads in the center 2 5 8, then lower right twice 99, upper right twice 33.
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Old 2018-12-27, 03:48   #229
GP2
 
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Mnemonic major system

A website like pinfruit can generate words.

You can come up with a running narrative. The more outrageous, the more memorable.

Code:
32582657    men love angelica
37156667    mega tall jewish chick
42643801    horny shower movie set
43112609    armed teenage spy
57885161    lucky vivaldi shot
74207281    currency conveyed
77232917    cocaine money bought cow
82589933    fun love papa mama
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Old 2018-12-27, 06:21   #230
ewmayer
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Quote:
Originally Posted by GP2 View Post
Mnemonic major system

A website like pinfruit can generate words.

You can come up with a running narrative. The more outrageous, the more memorable.

Code:
32582657    men love angelica
37156667    mega tall jewish chick
42643801    horny shower movie set
43112609    armed teenage spy
57885161    lucky vivaldi shot
74207281    currency conveyed
77232917    cocaine money bought cow
82589933    fun love papa mama
OK, well, 2 things:

1. For us relative oldsters, memorizing more than 1word per exponent can be quite a challenge;

2. Inquiring minds are wondering just how much you're revealing about yourself with those mini-narrative choices. :)
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Old 2018-12-27, 07:41   #231
GP2
 
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Quote:
Originally Posted by ewmayer View Post
2. Inquiring minds are wondering just how much you're revealing about yourself with those mini-narrative choices. :)
I blame that website, and good thing I didn't post 20996011.
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