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A264783 Primes that do not divide 2^m - 2293 for any positive integer m. 1
2, 31, 41, 43, 71, 73, 89, 103, 113, 127, 151, 157, 223, 229, 233, 241, 251, 257, 263, 277, 311, 313, 331, 337, 353, 359, 397, 409, 431, 449, 487, 499, 521, 571, 577, 599, 607, 631, 641, 643, 647, 673, 683, 691, 719, 727, 739, 769, 809, 811, 839, 857, 863, 881, 911, 919, 929, 937, 953, 971, 983, 1009, 1013, 1021, 1031, 1033, 1049, 1051, 1063, 1069, 1087, 1093, 1097, 1103, 1151, 1153, 1163, 1181, 1193, 1201, 1217, 1223, 1231, 1249, 1279, 1289, 1297, 1321, 1327, 1367, 1399, 1409, 1423, 1429, 1433, 1439, 1447 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
See some related discussion here: http://math.stackexchange.com/questions/1529814/2i-2293-is-always-composite
MAPLE
select(t -> isprime(t) and numtheory:-mlog(2293, 2, t) = FAIL, [2, seq(t, t=3..2000, 2)]); # Robert Israel, Nov 25 2015
CROSSREFS
Sequence in context: A042153 A267207 A102630 * A215031 A120638 A101017
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)