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-   -   Largest k*2^n-1 Primes Found In 2016 (https://www.mersenneforum.org/showthread.php?t=21885)

pinhodecarlos 2017-01-01 00:48

Largest k*2^n-1 Primes Found In 2016
 
Here is the list of 100 largest "Riesel" primes (k*2^n-1, k>1) found in 2016.

Meaning of rank marks:
r1, rank on this list
r2, rank on the list of all known primes (as of January 1, 2017 at 0030 GMT)

[CODE]
---------------------------------------------------------------
r1 r2 description digits who
---------------------------------------------------------------
1 28 3343*2^7166019-1 2157191 L1884
2 43 1243*2^5686715-1 1711875 L1828
3 84 151*2^4424321-1 1331856 L1884
4 92 1259*2^4196028-1 1263134 L1828
5 123 13*2^3675223-1 1106354 L1862
6 125 13*2^3664703-1 1103187 L1862
7 155 13*2^3527315-1 1061829 L1862
8 233 61*2^3286535-1 989348 L4405
9 320 65*2^2876718-1 865981 L2484
10 370 93*2^2708718-1 815408 L1862
11 397 57*2^2639528-1 794579 L2484
12 416 93*2^2602483-1 783428 L1862
13 495 201*2^2421514-1 728951 L1862
14 580 4161*2^2326875-1 700463 L1959
15 595 4063*2^2313843-1 696540 L1959
16 601 4063*2^2310187-1 695440 L1959
17 602 4063*2^2309263-1 695162 L1959
18 671 4161*2^2240358-1 674419 L1959
19 694 325*2^2223243-1 669266 L2235
20 807 405*2^2137280-1 643388 L1862
21 901 1455*2^2064103-1 621361 L1134
22 967 143*2^2007888-1 604437 L384
23 985 1323*2^1998103-1 601493 L1828
24 1011 4141*2^1986959-1 598138 L1959
25 1014 1133*2^1984488-1 597394 L1828
26 1020 1197*2^1977152-1 595186 L1828
27 1022 1149*2^1975451-1 594674 L1828
28 1028 4197*2^1970430-1 593163 L1959
29 1029 1387*2^1970033-1 593043 L1828
30 1037 1309*2^1967613-1 592314 L1828
31 1038 4025*2^1966732-1 592049 L1959
32 1049 4065*2^1961907-1 590597 L1959
33 1053 1111*2^1959625-1 589909 L1828
34 1056 1065*2^1957291-1 589207 L1828
35 1068 4027*2^1951909-1 587587 L1959
36 1072 4007*2^1949916-1 586987 L1959
37 1076 1167*2^1949013-1 586715 L1828
38 1079 1209*2^1946260-1 585886 L1828
39 1080 1339*2^1945965-1 585797 L1828
40 1082 4011*2^1945630-1 585697 L1959
41 1089 4173*2^1941820-1 584550 L1959
42 1103 1191*2^1935613-1 582681 L1828
43 1104 4047*2^1934881-1 582461 L1959
44 1108 1265*2^1932660-1 581792 L1828
45 1111 1095*2^1931213-1 581357 L1828
46 1115 1101*2^1929297-1 580780 L1828
47 1118 1071*2^1928515-1 580544 L1828
48 1121 1283*2^1924402-1 579306 L1828
49 1124 4005*2^1923385-1 579001 L1959
50 1143 4103*2^1909766-1 574901 L1959
51 1148 4035*2^1907685-1 574275 L1959
52 1155 4171*2^1901433-1 572392 L1959
53 1248 4171*2^1841157-1 554248 L1959
54 1287 91179*2^1823580-1 548958 L2777
55 1330 4089*2^1803463-1 542901 L1959
56 1445 4111*2^1754463-1 528150 L1959
57 1447 4171*2^1754017-1 528016 L1959
58 1460 4147*2^1748201-1 526265 L1959
59 2109 3435*2^1510156-1 454606 L860
60 2157 3465*2^1495986-1 450341 L860
61 2168 3771*2^1494095-1 449771 L860
62 2241 18455*2^1476402-1 444446 L2777
63 2299 6957*2^1461325-1 439907 L860
64 2311 2925*2^1457402-1 438726 L2074
65 2328 7383*2^1452124-1 437137 L860
66 2331 3615*2^1450771-1 436730 L860
67 2351 3615*2^1446921-1 435571 L860
68 2354 685*2^1446421-1 435419 L2257
69 2355 623*2^1445836-1 435243 L2257
70 2364 6957*2^1444729-1 434911 L860
71 2372 741*2^1441006-1 433789 L2257
72 2379 685*2^1438521-1 433041 L2257
73 2380 951*2^1438430-1 433014 L2257
74 2385 993*2^1437131-1 432623 L2257
75 2389 619*2^1436227-1 432351 L2257
76 2392 957*2^1435600-1 432162 L2257
77 2398 499*2^1434643-1 431874 L3844
78 2412 3825*2^1431720-1 430995 L860
79 2444 653*2^1428280-1 429958 L2257
80 2478 3867*2^1425184-1 429027 L860
81 2480 783*2^1425060-1 428989 L2257
82 2545 973*2^1420727-1 427685 L2257
83 2547 3465*2^1420684-1 427673 L860
84 2561 805*2^1418871-1 427126 L2257
85 2564 6405*2^1418647-1 427060 L860
86 2575 989*2^1418056-1 426881 L2257
87 2619 6405*2^1414047-1 425675 L860
88 2671 3867*2^1410726-1 424675 L860
89 2684 8707*2^1409397-1 424275 L4113
90 2701 3109*2^1407997-1 423853 L4113
91 2715 8783*2^1406894-1 423522 L4113
92 2719 7059*2^1406729-1 423472 L860
93 2731 2789*2^1405444-1 423085 L4113
94 2740 5779*2^1404659-1 422849 L4113
95 2743 1543*2^1404511-1 422804 L4113
96 2789 9241*2^1400567-1 421617 L4113
97 2868 7803*2^1394767-1 419871 L860
98 2878 7481*2^1394206-1 419702 L860
99 2939 7743*2^1389914-1 418410 L860
100 3063 7803*2^1381122-1 415764 L860
---------------------------------------------------------------
[/CODE]The list of 100 largest Riesel primes found in 2015 can be found [url]http://mersenneforum.org/showthread.php?t=20808[/url][URL="http://mersenneforum.org/showthread.php?t=19944"][/URL]

Kosmaj 2017-01-01 03:24

Hi Carlos,

Nice list!
Happy New year to you and other prime searchers.


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