A117853 Decimal expansion of 2^30402457-1, the 43th Mersenne prime A000668(43).

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, 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, 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

Offset

9152052,1

Comments

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.

Links

Table of n, a(n) for n=9152052..9152156.

Landon Curt Knoll, 2^30402457-1 is prime.

George Woltman, GIMPS GIMPS Home Page.

Example

A000668(43) = 3154164756188460809363030286645451701265196562623...7411652943871.

Mathematica

RealDigits[10^N[30402457Log[10, 2] - 9152051, 111]][[1]]

Crossrefs

Cf. A000043 (Mersenne exponents), A000668.

Sequence in context: A200920 A290534 A242639 * A104734 A029655 A110813

Adjacent sequences: A117850 A117851 A117852 * A117854 A117855 A117856

Keyword

cons,fini,nonn

Author

Jacob Vecht, May 02 2006

Extensions

Edited by Georg Fischer, Jul 19 2021

Status

approved