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%I #14 Apr 16 2024 23:37:44
%S 5,3,6,9,2,7,9,9,5,5,0,2,7,5,6,3,2,1,5,2,2,3,3,8,2,7,7,9,9,2,9,4,5,3,
%T 0,0,6,1,1,0,2,0,9,9,4,0,4,2,1,2,4,0,0,5,9,1,5,6,7,8,6,3,9,4,4,3,3,5,
%U 3,4,6,2,9,8,2,1,0,3,4,7,9,8,9,6,4,3,9,5,5,5
%N Decimal expansion of 2^86243 - 1, the 28th Mersenne prime.
%C This prime has 25962 decimal digits and was discovered by David Slowinski in 1982.
%H Paolo Xausa, <a href="/A371847/b371847.txt">Table of n, a(n) for n = 25962..51923</a>
%H GIMPS, <a href="https://www.mersenne.org/primes/">List of Known Mersenne Prime Numbers</a>.
%H OEIS Wiki, <a href="/wiki/Mersenne_primes">Mersenne primes</a> (with a list of similar sequences).
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Mersenne_prime">Mersenne prime</a>.
%e 53692799550275632152233827799294530061102099404212...
%t IntegerDigits[2^86243 - 1][[;;100]]
%Y Cf. A000043 (exponents), A000668, A028335 (lengths).
%Y Cf. decimal expansion of Mersenne primes: see OEIS Wiki link.
%K nonn,cons,fini,full
%O 25962,1
%A _Paolo Xausa_, Apr 09 2024
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