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Difference between revisions of "Sophie Germain prime"
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*[http://primes.utm.edu/top20/page.php?id=2 Top 20 known Sophie Germain primes] | *[http://primes.utm.edu/top20/page.php?id=2 Top 20 known Sophie Germain primes] | ||
*[[Wikipedia:Sophie Germain prime|Sophie Germain prime]] | *[[Wikipedia:Sophie Germain prime|Sophie Germain prime]] | ||
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Revision as of 14:22, 6 March 2019
A prime number p is called a Sophie Germain prime if 2p + 1 is also prime. For example, 23 is a Sophie Germain prime because it is a prime and 2*23+1 = 47, also prime.
It is not known whether there are infinitely many Sophie Germain primes.
List of Sophie Germain primes
The next table includes the first 500 Sophie Germain primes.
ToDo: List of primes as document