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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
1315460351263092070310 ~2002
13154918712104786993711 ~2004
131553242910524259432112 ~2006
1315581119263116223910 ~2002
1315636571263127314310 ~2002
1315664879263132975910 ~2002
1315687799263137559910 ~2002
1315699571263139914310 ~2002
13157037771052563021711 ~2004
1315750739263150147910 ~2002
1315778339263155667910 ~2002
1315790699263158139910 ~2002
1315831043263166208710 ~2002
1315834631263166926310 ~2002
1315840199263168039910 ~2002
1315845131263169026310 ~2002
1315851359263170271910 ~2002
1315864391263172878310 ~2002
1315865693789519415910 ~2003
13158925611052714048911 ~2004
13159365415000558855911 ~2005
1315955519263191103910 ~2002
1316015881789609528710 ~2003
1316113553789668131910 ~2003
1316157413789694447910 ~2003
Exponent Prime Factor Digits Year
1316223539263244707910 ~2002
1316224919263244983910 ~2002
13163138111316313811111 ~2004
1316336977789802186310 ~2003
13163831211053106496911 ~2004
1316386741789832044710 ~2003
1316420999263284199910 ~2002
1316434079263286815910 ~2002
1316461043263292208710 ~2002
1316481563263296312710 ~2002
13165063433159615223311 ~2005
1316516039263303207910 ~2002
1316542121789925272710 ~2003
13166001372106560219311 ~2004
1316608019263321603910 ~2002
1316696351263339270310 ~2002
1316701091263340218310 ~2002
1316748071263349614310 ~2002
1316806691263361338310 ~2002
1316914811263382962310 ~2002
13169495094214238428911 ~2005
1316967481790180488710 ~2003
1317014663263402932710 ~2002
1317208577790325146310 ~2003
1317221099263444219910 ~2002
Exponent Prime Factor Digits Year
1317236051263447210310 ~2002
1317239639263447927910 ~2002
1317278197790366918310 ~2003
1317287759263457551910 ~2002
1317412441790447464710 ~2003
1317427799263485559910 ~2002
13174478691053958295311 ~2004
1317454331263490866310 ~2002
1317500543263500108710 ~2002
1317502223263500444710 ~2002
1317517031263503406310 ~2002
1317547739263509547910 ~2002
1317553151263510630310 ~2002
13175775591054062047311 ~2004
13175832471054066597711 ~2004
1317583717790550230310 ~2003
1317612539263522507910 ~2002
1317681311263536262310 ~2002
1317777143263555428710 ~2002
1317792863263558572710 ~2002
1317793283263558656710 ~2002
1317831059263566211910 ~2002
1317843419263568683910 ~2002
1317890159263578031910 ~2002
13179072593162977421711 ~2005
Exponent Prime Factor Digits Year
1317912217790747330310 ~2003
1317918323263583664710 ~2002
1317926471263585294310 ~2002
1317968279263593655910 ~2002
1317977159263595431910 ~2002
13179823573163157656911 ~2005
1318005203263601040710 ~2002
1318027751263605550310 ~2002
1318098311263619662310 ~2002
1318101203263620240710 ~2002
1318118423263623684710 ~2002
1318121531263624306310 ~2002
1318127231263625446310 ~2002
1318145891263629178310 ~2002
1318155011263631002310 ~2002
1318175951263635190310 ~2002
1318208711263641742310 ~2002
1318210499263642099910 ~2002
1318221059263644211910 ~2002
1318227023263645404710 ~2002
1318278023263655604710 ~2002
1318337243263667448710 ~2002
1318342703263668540710 ~2002
1318392563263678512710 ~2002
1318415597791049358310 ~2003
3991
GIMPS The Prime Pages FactorDb.com
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26-03-08