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A244775 Prime numbers ending in the prime number 79. 2

%I #17 Sep 08 2022 08:46:08

%S 79,179,379,479,1279,1579,1879,1979,2179,2579,2879,3079,3779,4079,

%T 4679,5179,5279,5479,5779,5879,6079,6379,6679,6779,7079,7879,8179,

%U 8779,9479,9679,10079,10979,11279,11579,11779,12379,12479,12979,13679,13879

%N Prime numbers ending in the prime number 79.

%C Also primes of the form 100*n+79. Subsequence of A141887, A141930.

%H Vincenzo Librandi, <a href="/A244775/b244775.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[5, 6000]], Take[IntegerDigits[#], -2]=={7, 9} &]

%t Select[Prime[Range[2000]],Mod[#,100]==79&] (* _Harvey P. Dale_, Nov 29 2017 *)

%o (Magma) [n: n in PrimesUpTo(14000) | n mod 100 eq 79];

%o (PARI) select(x->(x % 100)==79, primes(2000)) \\ _Michel Marcus_, Jul 07 2014

%Y Cf. similar sequences listed in A244763.

%Y Cf. A141887, A141930.

%K nonn,base

%O 1,1

%A _Vincenzo Librandi_, Jul 07 2014

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Last modified April 16 12:36 EDT 2024. Contains 371711 sequences. (Running on oeis4.)