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Search for : 12^x+n


Rank
Probable prime
Digits (> 10000)
Who?
When?
667212^109010+35117642Riley Fisher08/2023
750212^101694+73109747Lelio R Paula03/2017
752412^101545+11109586Lelio R Paula03/2017
759712^100852+83108838Lelio R Paula03/2017
760412^100757+19108736Lelio R Paula03/2017
790412^98778+73106600Lelio R Paula02/2017
809812^97643+91105375Lelio R Paula02/2017
935612^94915+89102431Lelio R Paula10/2016
940912^94705+89102204Lelio R Paula10/2016
1115212^93406+29100803Lelio R Paula10/2016
1207212^90604+1197779Lelio R Paula07/2016
1305212^85963+2592770Lelio R Paula06/2016
1316912^85300+3592055Lelio R Paula06/2016
1330612^84606+4791306Lelio R Paula06/2016
1436212^81356+4187798Lelio R Paula11/2015
1441012^81188+8587617Lelio R Paula11/2015
1448512^80855+2987258Lelio R Paula11/2015
1449012^80806+7987205Lelio R Paula11/2015
1621812^73906+2979758Lelio R Paula02/2015
1625712^73714+4979551Lelio R Paula02/2015
1637412^73285+8579088Lelio R Paula02/2015
1690312^71303+9176949Lelio R Paula02/2015
1721012^70066+9575614Lelio R Paula02/2015
1753412^68911+7374368Lelio R Paula01/2015
1814412^66581+771853Lelio R Paula07/2014
1885112^63883+568942Lelio R Paula07/2013
1905012^63267+5968277Lelio R Paula07/2013
1909712^63130+4968129Lelio R Paula07/2013
1953712^61680+9166564Lelio R Paula07/2013
1961012^61432+9566297Lelio R Paula07/2013
2370012^53821+1158083Lelio R Paula02/2013
2456012^51732+555829Lelio R Paula01/2013
2464112^51488+5555565Lelio R Paula01/2013
2500612^50499+554498Lelio R Paula01/2013
2500712^50491+554489Lelio R Paula01/2013
4340712^47649+751422Lelio R Paula12/2012
6076412^46175+2949832Lelio R Paula10/2012
6081412^45999+2549642Lelio R Paula10/2012
6089712^45773+4149398Lelio R Paula10/2012
6104512^45385+548979Lelio R Paula10/2012
6106212^45317+748906Lelio R Paula10/2012
6230912^42300+8545650Lelio R Paula10/2012
6238712^42122+5345458Lelio R Paula10/2012
6325612^40588+3743802Lelio R Paula10/2012
6366512^40018+4943187Lelio R Paula10/2012
6416512^39161+5942262Lelio R Paula10/2012
6445512^38797+4141869Lelio R Paula10/2012
6508212^37859+2940857Lelio R Paula10/2012
6510612^37819+6140814Lelio R Paula10/2012
6744312^34505+3737238Lelio R Paula09/2011
6749512^34418+3737144Lelio R Paula09/2011
6759012^34280+4136995Lelio R Paula09/2011
6773712^34024+7136719Lelio R Paula09/2011
6783612^33846+7936526Lelio R Paula09/2011
6799812^33630+1736293Lelio R Paula09/2011
6829112^33175+7335802Lelio R Paula09/2011
6861812^32723+7335315Lelio R Paula09/2011
7006212^31609+1934112Lelio R Paula09/2011
7026212^31354+9733837Lelio R Paula09/2011
7033212^31265+733741Lelio R Paula09/2011
7049712^31038+533496Lelio R Paula08/2011
7079612^30706+7333138Lelio R Paula08/2011
7190212^29534+4731873Lelio R Paula08/2011
7233112^29129+3731436Lelio R Paula08/2011
7281312^28710+2930984Lelio R Paula08/2011
14735912^28043+2330264Lelio R Paula08/2011
14885412^27835+1930040Lelio R Paula08/2011
15167912^27167+2929319Lelio R Paula08/2011
15257112^26377+2528466Lelio R Paula07/2011
15410012^25087+8927074Lelio R Paula07/2011
15432112^24976+5326954Lelio R Paula07/2011
15605712^24192+1126108Lelio R Paula07/2011
15710212^23812+1125698Lelio R Paula06/2011
15773112^23511+3525373Lelio R Paula06/2011
15879512^23087+2924916Lelio R Paula06/2011
15975212^22729+4124529Lelio R Paula06/2011
16013312^22562+8324349Lelio R Paula06/2011
16196012^21953+9123692Lelio R Paula06/2011
16281012^21622+3723335Lelio R Paula06/2011
16688312^20063+8921652Lelio R Paula05/2011
17032012^19050+1720559Lelio R Paula05/2011
17042312^19009+4120515Lelio R Paula05/2011
17050512^18980+720483Lelio R Paula05/2011
17077212^18882+8520378Lelio R Paula05/2011
20455112^18416+3519875Lelio R Paula04/2007
20492912^18232+13319676Lelio R Paula04/2007
20501412^18184+8319624Lelio R Paula04/2007
20546612^17961+13719384Lelio R Paula04/2007
20573812^17820+20519232Lelio R Paula04/2007
20590012^17732+8319137Lelio R Paula04/2007
20630212^17547+2518937Lelio R Paula02/2007
20666012^17373+5918749Lelio R Paula02/2007
20699212^17241+718607Lelio R Paula02/2007
20735712^17150+8918508Lelio R Paula02/2007
20740912^17137+16918494Lelio R Paula02/2007
20814312^16964+8518308Lelio R Paula10/2006
20821112^16949+21118292Lelio R Paula10/2006
20829412^16929+14518270Lelio R Paula10/2006
20932812^16673+9717994Lelio R Paula09/2006
20942912^16647+16117966Lelio R Paula10/2006
20944412^16644+6117962Lelio R Paula09/2006
20994012^16527+17917836Lelio R Paula10/2006
21033512^16429+18517730Lelio R Paula10/2006
21042412^16406+3717706Lelio R Paula09/2006
21105912^16254+17317542Lelio R Paula10/2006
21196312^16044+6117315Lelio R Paula09/2006
21281712^15859+18517115Lelio R Paula10/2006
21325312^15770+6717019Lelio R Paula09/2006
21441512^15515+16916744Lelio R Paula10/2006
21594112^15233+8916440Lelio R Paula09/2006
21651712^15128+6716326Lelio R Paula09/2006
21704812^15065+3516258Lelio R Paula09/2006
21833712^14957+3116142Lelio R Paula09/2006
21987412^14821+1115995Lelio R Paula09/2006
22213612^14530+11915681Lelio R Paula09/2006
22680712^14261+8915391Lelio R Paula09/2006
23032612^14026+13715137Lelio R Paula09/2006
23032712^14026+11915137Lelio R Paula09/2006
23159112^13942+6715046Lelio R Paula09/2006
23277612^13851+14514948Lelio R Paula09/2006
23474312^13697+5914782Lelio R Paula09/2006
23615312^13577+11514653Lelio R Paula09/2006
23662212^13537+6714609Lelio R Paula09/2006
23902012^13310+3514364Lelio R Paula09/2006
23903512^13308+13314362Lelio R Paula09/2006
23945012^13266+14314317Lelio R Paula09/2006
24170412^13013+18514044Lelio R Paula09/2006
24460012^12648+513650Lelio R Paula09/2006
24528212^12560+4713555Lelio R Paula09/2006
24546712^12534+20313527Lelio R Paula09/2006
24553112^12528+3113520Lelio R Paula09/2006
24588212^12485+21113474Lelio R Paula09/2006
24781312^12271+2513243Lelio R Paula09/2006
24934312^12102+19313061Lelio R Paula09/2006
25014012^12008+12112959Lelio R Paula09/2006
25446912^11527+3112440Lelio R Paula09/2006
25458012^11510+5312422Lelio R Paula09/2006
25464212^11502+11512413Lelio R Paula09/2006
25815612^11196+3512083Lelio R Paula09/2006
25953212^11039+16111914Lelio R Paula09/2006
26082412^10891+7311754Lelio R Paula09/2006
26169812^10796+18711651Lelio R Paula09/2006
26322312^10624+16111466Lelio R Paula09/2006
26475312^10454+17311282Lelio R Paula09/2006
26608512^10309+2911126Lelio R Paula09/2006
26837412^10057+12710854Lelio R Paula09/2006
26972012^9914+2310700Lelio R Paula09/2006
27894012^9724+6710494Lelio R Paula09/2006
27918512^9704+16710473Lelio R Paula09/2006
27938712^9688+10110456Lelio R Paula09/2006
27971612^9665+21110431Lelio R Paula09/2006
28231712^9522+16310276Lelio R Paula09/2006
28412312^9440+13710188Lelio R Paula09/2006
28575912^9372+2310115Lelio R Paula09/2006
29188512^9289+4710025Lelio R Paula09/2006

Total : 155 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: February, 19 2026 20:25 (Time in France)