digital西行庵blog

kindle読書第三弾。いいなぁ最近の若者は。¥199-でこんな教材がある。ってか、さっぱりわからん。

通学電車で極める電磁気学
著者： 寺本吉輝
メーカー・販売： -
定 価： ¥199-
リリース： 2015-05-28
ジャンル： Kindle版

---

---

ミリタリーテクノロジーの物理学＜核兵器＞ (イースト新書Q)
著者： 多田 将
メーカー・販売： イースト・プレス
ISBN： 4781680054
定 価： ¥ 821
kindle版：¥ 756
リリース： 2015-07-10
出版日： 2015-07-10
ジャンル： 新書

物理概論レベルです。

PrimeGrid 's 2016 Challenge Series

World Space Week Kickoff Challenge
Oct 3 18:00:00 to Oct 4 18:00:00 (UTC)
終了しました。
World Space Week Kickoff Challenge (SGS-LLR): Individuals | Teams

新渡戸の個人成績：Rank:7 / Name:hiroaki / Team:Team JPN / Score:390593.79
Team JPN の成績：Rank:12 / Name:Team JPN / Score:394585.15

残念ながら今回も私は素数を発見するに至らなかった。

前言撤回。新しい素数をひとつみつけた！3076502491275*2^1290000-1 (388342 桁)！

[PrimeGrid] You have found a prime number!
from: Prime Reporting <primes@primegrid.com>
to: 新渡戸広明

Dear Primefinder,
Congratulations! Our records indicate that a computer registered by you has found a unique prime number. This computer is running BOINC, is attached to the PrimeGrid project, and is assigned to the Sophie Germain Prime Search. What makes this prime unique is that it's large enough to enter the Top 5000 List in Chris Caldwell's The Largest Known Primes Database.
Since you have auto-reporting selected, the following prime was submitted on your behalf:
Added 122315 : 3076502491275*2^1290000-1 (388342 digits)
This prime was found on this workunit which will automatically show as a prime result after verification by the Largest Known Primes Database.
If you have any questions or concerns, please contact us and we will surely resolve any problems.
Once again, congratulations on your find! Thank you for participating in PrimeGrid.
PrimeGrid staff

The Largets Known Primes! 3076502491275*2^1290000-1 (Rank:4224)