%I #17 Jul 20 2021 01:33:34
%S 3,1,5,4,1,6,4,7,5,6,1,8,8,4,6,0,8,0,9,3,6,3,0,3,0,2,8,6,6,4,5,4,5,1,
%T 7,0,1,2,6,5,1,9,6,5,6,2,6,2,3,2,3,8,7,0,3,1,6,3,2,3,7,1,0,7,9,5,1,3,
%U 5,3,8,7,4,4,9,0,0,6,9,3,4,6,2,0,9,4,3,8,6,2,9,4,7,5,1,7,0,2,9,6,6,3,6,2,3
%N Decimal expansion of 2^30402457-1, the 43th Mersenne prime A000668(43).
%C The decimal expansion of 2^30402457-1. This is the 43rd known Mersenne prime, found at Dec 15, 2005 by the GIMPS project / Curtis Cooper and Steven Boone. The number has 9152052 digits; as a string, it occupies 9.24 MB.
%H Landon Curt Knoll, <a href="http://lcn2.github.io/mersenne-english-name/m30402457/prime-c.html">2^30402457-1 is prime</a>.
%H George Woltman, GIMPS <a href="http://www.mersenne.org/">GIMPS Home Page</a>.
%e A000668(43) = 3154164756188460809363030286645451701265196562623...7411652943871.
%t RealDigits[10^N[30402457Log[10, 2] - 9152051, 111]][[1]]
%Y Cf. A000043 (Mersenne exponents), A000668.
%K cons,fini,nonn
%O 9152052,1
%A _Jacob Vecht_, May 02 2006
%E Edited by _Georg Fischer_, Jul 19 2021