Pythagoras and the Pythagoreans
14
Number
Prime
Digits
Mp
Year
Discoverer
(exponent)
1
2
1
1
—
Ancient
2
3
1
2
—
Ancient
3
5
2
3
—
Ancient
4
7
3
4
—
Ancient
5
13
4
8 1456 anonymous
6
17
6
10 1588 Cataldi
7
19
6
12 1588 Cataldi
8
31
10
19 1772 Euler
9
61
19
37 1883 Pervushin
10
89
27
54 1911 Powers
11
107
33
65 1914 Powers
12
127
39
77 1876 Lucas
13
521
157
314 1952 Robinson
14
607
183
366 1952 Robinson
15
1279
386
770 1952 Robinson
16
2203
664
1327 1952 Robinson
17
2281
687
1373 1952 Robinson
18
3217
969
1937 1957 Riesel
19
4253
1281
2561 1961 Hurwitz
20
4423
1332
2663 1961 Hurwitz
21
9689
2917
5834 1963 Gillies
22
9941
2993
5985 1963 Gillies
23
11213
3376
6751 1963 Gillies
24
19937
6002
12003 1971 Tuckerman
25
21701
6533
13066 1978 Noll - Nickel
26
23209
6987
13973 1979 Noll
27
44497
13395
26790 1979 Nelson - Slowinski
28
86243
25962
51924 1982 Slowinski
29
110503
33265
66530 1988 Colquitt - Welsh
30
132049
39751
79502 1983 Slowinski
31
216091
65050
130100 1985 Slowinski
32
756839
227832
455663 1992 Slowinski & Gage
33
859433
258716
517430 1994 Slowinski & Gage
34
1257787
378632
757263 1996 Slowinski & Gage
35
1398269
420921
841842 1996 Armengaud, Woltman,
??
2976221
895932 1791864 1997 Spence, Woltman,
??
3021377
909526 1819050 1998 Clarkson, Woltman, Kurowski
??
26972593 2098960
1999 Hajratwala, Kurowski
?? 213466917 4053946
2001 Cameron, Kurowski