FANDOM


M(n)

digits

discovered

discoverer

value

2 1     3
3 1     7
5 2     31
7 3

127
13 4
1461
Reguis (1536), Cataldi (1603) 8191
17 6
1588
Cataldi (1603) 131071
19 6
1588
Cataldi (1603) 524287
31 10
1750
Euler (1772) 2147483647
61 19
1883
Pervouchine (1883), Seelhoff (1886) 2305843009213693951
89 27
1911
Powers (1911) 618970019642690137449562111
107 33
1913
Powers (1914) 162259276829213363391578010288127
127 39
1876
Lucas (1876) 170141183460469231731687303715884105727
521 157
01/30/52
Robinson (1954)
607 183
01/30/52
Robinson (1954)
1279 386
06/25/52
Robinson (1954)
2203 664
10/07/52
Robinson (1954)
2281 687
10/09/52
Robinson (1954)
3217 969
09/08/57
Riesel
4253 1281
11/03/61
Hurwitz
4423 1332
11/03/61
Hurwitz
9689 2917
05/11/63
Gillies
9941 2993
05/16/63
Gillies
11213 3376
06/02/63
Gillies
19937 6002
03/04/71
Tuckerman
21701 6533
10/30/78
Noll and Nickel
23209 6987
02/09/79
Noll (Noll and Nickel 1980)
44497 13395
04/08/79
Nelson and Slowinski
86243 25962
09/25/82
Slowinski
110503 33265
01/28/88
Colquitt and Welsh
132049 39751
09/20/83
Slowinski
216091 65050
09/06/85
Slowinski
756839 227832
02/19/92
Slowinski and Gage
859433 258716
01/10/94
Slowinski and Gage
1257787 378632
09/03/96
Slowinski and Gage
1398269 420921
11/12/96
Joel Armengaud/GIMPS
2976221 895832
08/24/97
Gordon Spence/GIMPS
3021377 909526
01/27/98
Roland Clarkson/GIMPS
6972593 2098960
06/01/99
Nayan Hajratwala/GIMPS
13466917 4053946
11/14/01
Michael Cameron/GIMPS
20996011 6320430
11/17/03
Michael Shafer/GIMPS
24036583 7235733
05/15/04
Josh Findley/GIMPS
25964951 7816230
02/18/05
Martin Nowak/GIMPS
30402457 9152052
12/15/05
Curtis Cooper and Steven Boone/GIMPS
32582657 9808358
09/04/06
Curtis Cooper and Steven Boone/GIMPS
37156667 11185272
09/06/08
Hans-Michael Elvenich/GIMPS
42643801 12837064
06/12/09
Odd Magnar Strindmo/GIMPS
43112609 12978189
08/23/08
Edson Smith/GIMPS
57885161 17425170
01/25/13
Curtis Cooper/GIMPS

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