Mathematics of Computation

Author(s): Karl-Heinz Indlekofer; Antal Járai.
Journal: Math. Comp. 68 (1999), 1317-1324.
MSC (1991): Primary 11-04; Secondary 11A41
Posted: February 16, 1999
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Abstract: The numbers $242206083\cdot 2^{38880}\pm 1$ are twin primes. The number $p=2375063906985\cdot 2^{19380}-1$ is a Sophie Germain prime, i.e.

and

are both primes. For $p=4610194180515\cdot 2^{5056}-1$ , the numbers

and

are all primes.

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Karl-Heinz Indlekofer
Affiliation: Universität GH Paderborn, FB 17, D-33095 Paderborn, Germany
Email: k-heinz@uni-paderborn.de

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