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Just showing those entries submitted by 'Silva': (Click here to show all)

Jeffery Marshall © 2002
+ The smallest prime greater than three that is not a member of a sexy pair of primes. [Silva]

+ The smallest emirp that forms a pair of twin primes with the next emirp. [Silva]

+ The smallest prime that is a proper divisor of the sum of all previous primes. [Silva]

+ The first member of the smallest pair of twin emirps. [Silva]

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