Google 10 digit prime in Euler's number/ Erste 10-Stellige Primzahl in der Eulerzahl

http://explorepdx.com/firsten.html
https://mkaz.blog/math/google-billboard-problems/
https://apod.nasa.gov/htmltest/gifcity/e.2mil
http://aleembawany.com/2004/07/20/google-billboard-puzzle-the-lazy-way/
http://mathworld.wolfram.com/news/2004-10-13/google/
https://www.seroundtable.com/archives/000644.html
http://www.businessinsider.com/what-google-can-teach-us-about-solving-problems-2011-7?IR=T
https://www.mkyong.com/java/how-to-determine-a-prime-number-in-java/
https://github.com/SeppPenner/TenDigitPrimeCalculatorScala 
https://github.com/SeppPenner/TenDigitPrimeCalculatorJava 
https://github.com/SeppPenner/TenDigitPrimeCalculatorCSharp
https://github.com/SeppPenner/SolvingTheGoogleBillboardProblem

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