Distribution of PRP data:
Mersenne Prime51
Probable Prime350
Not PRP501,642
unknown1,202,184
Assigned10

range: M – M (up to 1000 exponents shown per page)

RankExponentKnown FactorsPRP
155M1,009
3454817
198582684439
20649907789079
21624641697047
30850253615723594284324529
1134327302421596486779379019599
32801629399316220386255938566077541078836238345868341181567256008155638984594836
583203447
P116
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fully
factored
156M1,013
6079
71486759597273
41120912566813018675472321435609728349473493582225344661873
P229
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fully
factored
157M1,019
2039
75407
82433230679411141627745147311847388925656728692144689
1140356877758679056056869944845540826402854641895928218298013381554156431441
P171
click to show decimal representation
fully
factored
158M1,021
40841
795808241
51731968308257
1866013803867738316856548085894075729799351216503
P232
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fully
factored
159M1,031
2063
435502649
85884311010746784399233543419755720548350735429670484635313607293408440231
P225
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fully
factored
160M1,033
196271
36913223
88910338973359434076776038119074340716281
163771629900828769671363963472861890953631838273
P210
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fully
factored
161M1,039
5080711
55853666619936291260749204658315944968646527018488637648010052346319853288374753
P227
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fully
factored
162M1,049
33569
459463
1059099980653317121
P288
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fully
factored
163M1,051
3575503
215738012818441827932337543036174144558274385301234576636299249
305017906063256842921494808558019733856326299412534951989303214657199
P180
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fully
factored
164M1,061
46817226351072265620777670675006972301618979214252832875068976303839400413682313
921168154465151768472420980044715745858522803980473207943564433
P177
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fully
factored
165M1,063
1485761479
P311
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fully
factored
166M1,069
17481727674576239
37473613084215372416028665821312617743022228898297
5557036167944892502666285821951871600803581019193074182942021552512721
P187
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fully
factored
167M1,087
10722169
2144921195591
33990250708335239
2105485879475562449
421733524843190780249388261839156579767
23864222009193938317456687011256092421563991
2664797814058212286560533454960446792210016180875809243599817
P131
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fully
factored
168M1,091
87281
551978359
791343585595817
97535130364653673535422113471207017
496474000537225566899310934393330825097522839
P221
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fully
factored
169M1,093
43721
111487
42565880168703357316051447
46116332943436452551540576315696985297990259869411311813222303231047196444160418
969946791520558378694863913363980328293449
P173
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fully
factored
170M1,097
980719
4666639
22926719175799
1734492765338661710171833
36079584237927411511333522577
205295973898620029528272537868263
P220
click to show decimal representation
fully
factored
171M1,103
2207
4126110275598714647074087
P305
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fully
factored
172M1,109
30963501968569
85608965982066833903
24616019211889325200869055218181070587968640061220328510208043399177422314889351
269580238737955397055519355385591659502001884424804253804809798519
P156
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fully
factored
173M1,117
53617
520973969756320610191611683062985619298001156192232208204963188406964166233609
P254
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fully
factored
174M1,123
777288435261989969
43217493744261782509124051717125202183485951942362528870696888978757228743421469
882287
P235
click to show decimal representation
fully
factored
175M1,129
33871
833798113
26828635518494639415550122350613026061139195421171418141682190654697410269731498
11937861249380857772014308434017285472953428756120546822911
P188
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fully
factored
176M1,151
284278475807
81344898763887260484533897
658622107254745112979229913
39146265717288735265327499826695585290297
83119194310395609642916349179778127659970015164447321362710006111747752643379266
57343369109100663804047
P139
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fully
factored
177M1,153
267497
84755607199
10122360961247873953624190885178888629606889980435179249683524293313230115056983
720103793
P243
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fully
factored
178M1,163
848181715001
337097300570078978047
1042816042941845750042952206680089794415014668329850393031910483526456487
P246
click to show decimal representation
fully
factored
179M1,171
153606920351
12348670962833258442807675383265838347627997587940117506190420273604620443843301
292612106209291538933323931056186142998412331913
P215
click to show decimal representation
fully
factored
180M1,181
4742897
196834168670106625096599487
199668911054466914791190422986407
1808422353177349564546512035512530001279481259854248860454348989451026887
P218
click to show decimal representation
fully
factored
181M1,187
256393
113603023
1761533117965696212626325049982897
766302834531296176581826196660125454171041129
153327833285998453874202767942570343649971393640068204571694369
P204
click to show decimal representation
fully
factored
182M1,193
121687
85227326201314361823893776605433636670217425388311906457714409016049961507516230
416822145599757462472729
P251
click to show decimal representation
fully
factored
183M1,201
57649
1967239
8510287
2830858618432184648159211485423
9303484663199459234574876772320860861459293591098445572165959
P253
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fully
factored
M1,213
327511
715079841864486572798550389025242773233223013545064445043124471
no
M1,217
1045741327
6116773272167843384976777858063213917010557325918356879
22053390021902056444354293154701006674049109757797668799
no
184M1,223
2447
31799
439191833149903
P346
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fully
factored
M1,229
36871
46703
10543179280661916121033
9536289355314392579996071515160583098298616686033085857
no
M1,231
531793
5684759
18207494497
63919078363121681207
no
M1,237
2538207129840687799335203259492870476186248896616401346500027311795983
no
M1,249
97423
52358081
2379005273
9345276045907272726364012481
no
M1,259
875965965904153
12837801903260418659222502180271368969172790209999210831
no
15M1,279Mersenne Prime!
M1,283
4824675346114250541198242904214396192319
no
185M1,289
15856636079
108817410937
827446666316953
9580889333063599
16055826953448199975207
P314
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fully
factored
M1,291
998943080897
84051400422953302189544581841
no
M1,297
12097392013313
64873964199444497
80025868895687041966359471596981171570268166357936741924913
no
186M1,301
161317830296866767945829203107381353
3172016620920990460580749619964431858642380903
P311
click to show decimal representation
fully
factored
187M1,303
10444849
1140690503
P377
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fully
factored
188M1,307
101286184577
141196558805510033914433414063
161633497146742177992711798481
P325
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fully
factored
M1,319
712292734142687
4561015525367423385817952015799767
528143874978418020442958250948319387628471
no
189M1,321
7927
1394977
4848071
15514776584693313272539134504494867053743089873
P335
click to show decimal representation
fully
factored
190M1,327
2730967
6363071161
P384
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fully
factored
191M1,361
8167
3397057
137450113
30322542339673
15459763525875943
856450061281312036458486309832227737
P326
click to show decimal representation
fully
factored
M1,367
10937
65617
232391
2561759
29769631481404601
no
192M1,373
1957392737
4540035943
95805718487
416034935039
142203959478768454375479374259330640346359070988407
P322
click to show decimal representation
fully
factored
M1,381
8287
462853283623
20314602484365657521
324347780588879609356756802551
5717943157553181705211179112739301167905781641204356084154399
no
193M1,399
28875361
4320651071020341609502042221583629017824960697
9729831901051958663829453004687723271026191923786080297556081
P308
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fully
factored
194M1,409
264136919719
34649857787874317478304238154673687249
1484993916000134361209645994489796858702347953214405357561157943
P313
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fully
factored
M1,423
1699063
104904621559
no
195M1,427
19054580564725546974193126830978590503
P393
click to show decimal representation
fully
factored
M1,429
1757766958557127850108708353
no
M1,433
20063
53101249
86576129
16532942303
7653556173496897
no
M1,439
2879
46049
172681
802732845007
70570366382050360064160741167
no
M1,447
57881
1754380423
135870799392023187135247
329476003535938830704093614193630509247
no
M1,451
2903
174121
696481
17009142910813751
no
M1,453
8719
6479507883338993
no
196M1,459
14591
93377
P431
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fully
factored
197M1,471
652662073639
241722486510605423
61491618977549042678155153540458255504752992030160252118535699943713
P346
click to show decimal representation
fully
factored
M1,481
71089
3915278233
12787706913743
3993419580376129303010329
8268138870080189511875976090034105337
8348981870260729786758008817506660899281935231
no
M1,483
910188101009715972185070554697411008108729
no
198M1,487
24464753918382797416777
P426
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fully
factored
199M1,489
71473
27201739919
51028917464688167
13822844053570368983
122163266112900081138309323835006063277267764895871
95909518295775374166321292697000685895150503357477127
430768120877571983358263339450368443038134995818878229278591
P235
click to show decimal representation
fully
factored
M1,493
3788526319
9128086063638824541964831110329768544223
no
M1,499
2999
400453196195527405748338277279809339221225225247
no
M1,511
3023
3828330041
139697744516810591
2761697628956368449233082210462148759
no
M1,523
2522089
273887183
1117808897
182902246957664987166063221498412840793
4249339225890381695913195696255068008375643417
no
200M1,531
88799
14661821742553
P443
click to show decimal representation
fully
factored
201M1,543
101839
472159
18333134391270351479674844445819664111063485906599
P405
click to show decimal representation
fully
factored
M1,549
168920851817441
7051863324605499849483215166120814618029888281331456062662199692938569
no
202M1,553
14194270913
354271470446427666439
432076532964254217618937
67625467049371226906709645391
169336513704068271013494661928987033
P350
click to show decimal representation
fully
factored
203M1,559
3119
1381449566469020717226303752014156581400564470208001
P415
click to show decimal representation
fully
factored
M1,567
29257873823
488519841428152561
31523570928926921025805379993
no
M1,571
33788630721577
37023157730020091646271
no
M1,579
132272831
32840964137
12413692636379967617
1948304885441549731703125917110496791829608917847246326097713473373231
no
M1,583
3167
189961
8589359
43817441
no
M1,597
46421116904392458242754417331076737
48316324149219936973422647266327069023371707372348457
no
M1,601
158098751
9839849981808839
6629233811254755661010566946657617349801918449
651721340802484774748465566059561124091876550241
no
M1,607
28927
863438869209296207
14950998663475271751814476834378599253816793
no
M1,609
2394193
15814084061017077487
13558431790160061426039191
143805067268178342851461157655703
no
M1,613
165545417
14289797186510260285068439
119549552138019464176947313
no
M1,621
649412561933038085071
4265037104491418480737209223
no
M1,627
25722871
6128193121
no
204M1,637
81679753
P485
click to show decimal representation
fully
factored
205M1,657
10788426156438350117334292343137689257142387557947087583
P444
click to show decimal representation
fully
factored
M1,663
16631
6013409
5958582126199
234340138207259893603519423288297
no
M1,667
13337
2493833
10975529
137507497
41371230871657
149884935262976855081303041
560005054568500775588166252916765532681815343007668219881
no
M1,669
112493750443412941745410571996247741731544451845539488817
no
206M1,693
10159
3361912721093432406946778492953
414073707708708359213580367115039
21637859486326546740118800926236362073
P406
click to show decimal representation
fully
factored
M1,697
1235417
5701890604567
41749699092786282661994591
no
M1,699
2714024454610151
no
M1,709
379399
208838593667910233
29015032394371006564513715526946615358047
no
M1,721
175543
1487078239
6160040912810013239138263
13017424887805605413748227640619647231549577734497
no
207M1,723
17231
56421359
381913289
5189864109981751703
782974566556895066995270439431
168942436346503041582986739915201200098698703741369
P400
click to show decimal representation
fully
factored
M1,733
29042669704339553664002303
no
M1,741
1002817
4230631
25269109534063262433544878967583
no
M1,747
16811052664235873
22831737099099330859999
no
M1,759
5295124011028151
4673652603342055740007000595229032807
857792004656676728854923602718729286933166391944424534583
no
M1,777
10663
12831449117832857
113460041673379080737466244127
25984658876757443772701945537650854047
3045915502335859982042057324006039124823
no
208M1,783
107022793
59767828889
21991704205191358757046463
60701317462845977755176049
1943163990190458280022304032374692151
P431
click to show decimal representation
fully
factored
M1,787
838124596866091911697
928369344831808006294056018847247
29794731703779691497303302213997084977
414060352832351408864592081627544699350748937
no
M1,789
39359
254039
18926517977
3278051851070015836353451777
no
M1,801
28817
no
M1,811
3623
499730013403129543
18919140513005028440611484452976550931864929199207
2109805118252160769153368014962148291485401194175487
1627762746968038684004893147072284141682536012562617241927
no
M1,823
120319
17428652953
no
M1,831
202081830521
21919356186601
no
M1,847
33247
no
M1,861
1023551
2735671
33384230094125728479194737
572590482607449584967217450937
no
M1,867
597702354293770769
no
M1,871
14969
112667879
1500590647
144708840548945683444663720144318711
no
M1,873
229751533588720817346889
5229402747045184140993760927367968819643416915009
no
M1,877
15017
no
M1,879
605039
13697911
945588038380607
601894931988703001817610962863642009
no
M1,889
62178021761
305847916137939752397216527569009633
25718835523458856192039411849171149938229285957161
33758375023360330868641591258894605015270410464979782920239
no
M1,901
12147391
516125303
46956007702768755352376009
711036999248971443186001729441
no
209M1,907
1685696416143478298579153
5495792295672019805118568131602993249446111
P508
click to show decimal representation
fully
factored
M1,913
6301423
4731915041570347412376499823
no
M1,931
3863
50207
543012649
no
M1,933
645881023
6118054056737236933100274795279001290402841
no
M1,949
4936745974543
30788967716321798815506051650468755045353050531649727
no
M1,951
16866820319
16297294059349258932713984073367
no
M1,973
122327
4651860481
1296592759951
1497016087610401
no
M1,979
32392273
11349904759198125072187718192234394369366617
no
M1,987
67559
75839863521727841
916991166020177609
63713905345969986120190693589745461903
no
M1,993
11959
162389641
4169656201719372099729206249327
no
210M1,997
395407
2982351597692070261023
342849716969843931264330628335073
P542
click to show decimal representation
fully
factored
211M1,999
1807097
631388687840018727119
63252453025264598101995353
5347162249018972109619200063610257
1835925785367240799404436249922514003983
7452018296729329082588085050101877014364039300287
P428
click to show decimal representation
fully
factored