Largest known twin primes and Sophie Germain primes

Authors
Indlekofer, KH Jarai, A
Citation
Kh. Indlekofer et A. Jarai, Largest known twin primes and Sophie Germain primes, MATH COMPUT, 68(227), 1999, pp. 1317-1324
Citations number
10
Categorie Soggetti
Mathematics
Journal title
MATHEMATICS OF COMPUTATION
ISSN journal
00255718 → ACNP
Volume
68
Issue
227
Year of publication
1999
Pages
1317 - 1324
Database
ISI
SICI code
0025-5718(199907)68:227<1317:LKTPAS>2.0.ZU;2-#
Abstract
The numbers 242206083.2(38880) +/- 1 are twin primes. The number p = 237506 3906985.2(19380) - 1 is a Sophie Germain prime, i.e. p and 2p + 1 are both primes. For p = 4610194180515.2(5056) - 1, the numbers p, p + 2 and 2p + 1 are all primes.