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Search for : (n*2^n+1)?


Rank
Probable prime
Digits (> 10000)
Who?
When?
17416(118693*2^118693+1)/(3*241*157721)35728Jens K. Andersen02/2009
19607(110528*2^110528+1)/(3*7*1402169*53099887*921148867)33254Jens K. Andersen02/2009
19962(108994*2^108994+1)/(31*2557*20183*54499)32802Jens K. Andersen02/2009
20314(107459*2^107459+1)/(17*41*19611679*378282577)32335Jens K. Andersen02/2009
21005(105210*2^105210+1)/(13*105211)31671Jens K. Andersen02/2009
21298(104188*2^104188+1)/(11*43*1733*214789)31358Jens K. Andersen02/2009
21724(102752*2^102752+1)/(3*23*29*36374521)30926Jens K. Andersen02/2009
66204(101139*2^101139+1)/(101141*202277)30441Jens K. Andersen02/2009
66245(101094*2^101094+1)/(6091*50549*202187*1271657)30418Jens K. Andersen02/2009
70444(98242*2^98242+1)/35304700129571Donovan Johnson01/2007
70895(96812*2^96812+1)/2420729144Donovan Johnson01/2007
72122(92986*2^92986+1)/6073964491527988127213351201527968Donovan Johnson12/2006
72696(91020*2^91020+1)/261644131727396Donovan Johnson12/2006
73959(88578*2^88578+1)/28165126665Donovan Johnson12/2006
75153(86683*2^86683+1)/483184948630526087Donovan Johnson12/2006
76478(84722*2^84722+1)/325509Donovan Johnson12/2006
76839(84199*2^84199+1)/511362146020454417826925330Donovan Johnson12/2006
78573(81742*2^81742+1)/801066724605Donovan Johnson12/2006
79015(81137*2^81137+1)/7659528099524419Donovan Johnson12/2006
81779(77600*2^77600+1)/6608723360Donovan Johnson12/2006
82606(76451*2^76451+1)/555705244247047723004Donovan Johnson12/2006
82976(75884*2^75884+1)/1522848Donovan Johnson12/2006
85674(72201*2^72201+1)/3721738Donovan Johnson12/2006
86500(71098*2^71098+1)/3189281153211121394Donovan Johnson12/2006
88171(69750*2^69750+1)/6554438664146261098120982Donovan Johnson03/2005
112427(67337*2^67337+1)/75047988223697595520258Donovan Johnson03/2005
124026(65225*2^65225+1)/58218491319631Donovan Johnson03/2005
124745(63940*2^63940+1)/1737770503301014919237Donovan Johnson03/2005
125625(62409*2^62409+1)/2309582712828718779Donovan Johnson03/2005
130296(58132*2^58132+1)/187056569814965115117486Donovan Johnson03/2005
130869(57604*2^57604+1)/41517343Donovan Johnson03/2005
132071(56699*2^56699+1)/76302535717064Donovan Johnson03/2005
133335(55701*2^55701+1)/6649769316765Donovan Johnson03/2005
135290(54411*2^54411+1)/6513404780316374Donovan Johnson03/2005
137690(53590*2^53590+1)/584094080461970654816290316113Donovan Johnson03/2005
137862(53498*2^53498+1)/1028899649716100Donovan Johnson03/2005
138526(53268*2^53268+1)/18958437116032Donovan Johnson03/2005
139848(52691*2^52691+1)/8911521878315856Donovan Johnson03/2005
140180(52508*2^52508+1)/35652874284742979373505667115785Donovan Johnson03/2005
147742(50692*2^50692+1)/16732178267915254Donovan Johnson03/2005
159082(47332*2^47332+1)/1534114249Donovan Johnson03/2005
163185(45561*2^45561+1)/1109709361313710Donovan Johnson03/2005
169939(42808*2^42808+1)/2530554068896712878Donovan Johnson03/2005
170608(42498*2^42498+1)/55248712793Donovan Johnson03/2005
171019(42336*2^42336+1)/668240760074912737Donovan Johnson03/2005
172080(41834*2^41834+1)/16733712593Donovan Johnson03/2005
173705(41242*2^41242+1)/2367344888187112407Donovan Johnson03/2005
178411(39639*2^39639+1)/1240911934Donovan Johnson01/2005
179456(39256*2^39256+1)/7507534836474181111805Donovan Johnson03/2005
179622(39198*2^39198+1)/2159910731960667586339111783Donovan Johnson03/2005
180453(38849*2^38849+1)/30479617788506989111682Donovan Johnson03/2005
183214(37660*2^37660+1)/110311339Donovan Johnson01/2005
186034(36596*2^36596+1)/3589818311014Donovan Johnson03/2005
189511(35254*2^35254+1)/884057145358910605Donovan Johnson03/2005
197849(34889*2^34889+1)/17062310502Donovan Johnson03/2005
198614(34685*2^34685+1)/3468710442Donovan Johnson01/2005
199735(34396*2^34396+1)/158785081985504910344Donovan Johnson03/2005
203294(33828*2^33828+1)/68710081910179Donovan Johnson03/2005

Total : 58 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: September, 16 2018 00:40 (Time in France)