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Old 2021-01-08, 20:21   #111
sweety439
 
Nov 2016

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Quote:
Originally Posted by sweety439 View Post
base 13:

Code:
184: 2393
190: 917093711
196: 2549
202: 75001187
262: 3407
268: 45293
274: 46307
280: 615161
352: 10053473
358: 292031598119
382: 4967
388: 852437
406: 5279
412: 152972717
430: 5591
436: 5669
460: 5981
466: 13309427
[no known prime for S13 k=484, 2B3{0}1 is unsolved family in base 13]
490: 82811
538: 1181987
544: 1195169
574: 97007
580: 7541
616: 8009
622: 8087
652: 531856430093
658: 90710887636643
874: 264712843161629123
880: 148721
886: 11519
892: 11597
952: 12377
958: 2104727
964: 162917
970: 12611
1198: 34216079
1204: 2645189
1210: 15731
1216: 15809
1276: 80067107693
1282: 36615203
1288: 2829737
1294: 16823
1366: 652758153339229918146262170195611899412691250234661073608281535607441327245782154274226163627511856910242680997040239850166408242104102157590110059393064877741749052590786638302327896695517321882076385248095689607714279245947320040491619053213124101066946141643999231501774298529691499984819614064572813909251081765622950846989229615735750095118621279499641063473790506905622553548920945551313745769942678628213020977681299198153663054881959698284804196609230966508441216040759006656791607
1372: 17837
1396: 18149
1402: 12127883118972635782067
1420: 18461
1426: 18539
1444: 18773
1450: 41413451
1474: 19163
1480: 448255157756534441
1498: 34900531513476539
1504: 19553
1552: 20177
1558: 263303
1588: 2321529421116208423755077
1594: 269387
1630: 21191
1636: 21269
1666: 47582627
1672: 21737
1888: 821828298004735653739505427655167983139612951149032024600411489000613133621406169905393832026983244445467247164419724522787738176502646863025015739869100207704101192365412789485747731430993843624803368161051869616583490868130229284719241207489969244826144259775702398961583808046895149627729346180500126934284621986296138708001440861667299169
1894: 24623
1900: 1549888369901
1906: 4187483
1966: 4319303
1972: 333269
1978: 56493659
1984: 25793
484*13^15198+1 (2B30151971) is prime!!!

This prime is likely the third-largest "base 13 minimal prime (start with base+1)" (there is a larger probable prime 8032017111, and there is an unsolved family in base 13: 9{5})

Last fiddled with by sweety439 on 2021-01-08 at 20:23
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