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Search: id:A057440
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| A057440 |
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n*M127 + 1 is prime, where M127 = 2^127 - 1. |
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+0
2
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| 114, 124, 388, 408, 498, 696, 738, 774, 780, 934, 978, 1104, 1156, 1176, 1216, 1278, 1368, 1480, 1578, 1680, 1698, 1710, 1740, 1794, 1806, 1864, 1950, 2188, 2268, 2320, 2334, 2476, 2608, 2646, 2784, 2808, 2950, 3216, 3274, 3288, 3388, 3484, 3768, 4020
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OFFSET
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1,1
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COMMENT
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In 1951 Miller and Wheeler found the primes k*M127 + 1 for k = 114, 124, 388, 408, 498, 696, 738, 744, 780, 934 and 978. These were some of the earliest primes found by electronic computers.
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LINKS
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C. K. Caldwell, The Largest Known Primes by Year
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MATHEMATICA
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Select[ Range[ 1, 10000 ], PrimeQ[ #(2^127 - 1) + 1 ] & ]
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CROSSREFS
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Cf. A057441.
Sequence in context: A122503 A076150 A138693 this_sequence A113537 A127664 A063991
Adjacent sequences: A057437 A057438 A057439 this_sequence A057441 A057442 A057443
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 08 2000
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