Sophie Germain prime: Difference between revisions

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==Definition==
==Definition==


A '''Sophie Germain prime''' is a [[prime number]] <math>p</math> such that <math>2p + 1</math> is also prime.
A '''Sophie Germain prime''' is a [[prime number]] <math>p</math> such that <math>2p + 1</math> is also prime. The corresponding prime <math>2p + 1</math> is termed a [[safe prime]].
 


==Testing==
==Testing==


{{oeis|A005384}}
{{oeis|A005384}}

Revision as of 15:49, 20 April 2009

This article defines a property that can be evaluated for a prime number. In other words, every prime number either satisfies this property or does not satisfy this property.
View other properties of prime numbers | View other properties of natural numbers

Definition

A Sophie Germain prime is a prime number such that is also prime. The corresponding prime is termed a safe prime.


Testing

The ID of the sequence in the Online Encyclopedia of Integer Sequences is A005384