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A267875
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Decimal expansion of Mersenne prime 2^74207281 - 1.
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4
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3, 0, 0, 3, 7, 6, 4, 1, 8, 0, 8, 4, 6, 0, 6, 1, 8, 2, 0, 5, 2, 9, 8, 6, 0, 9, 8, 3, 5, 9, 1, 6, 6, 0, 5, 0, 0, 5, 6, 8, 7, 5, 8, 6, 3, 0, 3, 0, 3, 0, 1, 4, 8, 4, 8, 4, 3, 9, 4, 1, 6, 9, 3, 3, 4, 5, 5, 4, 7, 7, 2, 3, 2, 1, 9, 0, 6, 7, 9, 9, 4, 2, 9, 6, 8, 9, 3
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OFFSET
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22338618,1
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COMMENTS
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As of January 7, 2016, 2^74207281 - 1 is the largest known prime number and the 49th known Mersenne prime.
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LINKS
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MATHEMATICA
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IntegerDigits[2^74207281 - 1][[;; 100]] (* Paolo Xausa, Apr 05 2024 *)
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PROG
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(PARI) /* adapted from Hasler's PARI program in A193864 */
list(Nmax) = {default(realprecision, Nmax+5); digits(10^frac(74207281*log(2)/log(10))\.1^Nmax)}
list(50) \\ print initial 50 digits
(Python)
from gmpy2 import mpz
def A267875(n): return int((mpz(2)**74207281-1)//mpz(10)**(44677235-n) % 10) # Chai Wah Wu, Jun 07 2021
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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