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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
1269938903253987780710 ~2002
1269943019253988603910 ~2002
1269960121761976072710 ~2003
1269995737761997442310 ~2003
1270014983254002996710 ~2002
1270022639254004527910 ~2002
1270066079254013215910 ~2002
1270078793762047275910 ~2003
12700973573048233656911 ~2005
1270130399254026079910 ~2002
12701723776096827409711 ~2005
1270264211254052842310 ~2002
12702845591270284559111 ~2004
12703414191016273135311 ~2004
1270472939254094587910 ~2002
12704888711270488871111 ~2004
1270546559254109311910 ~2002
1270561139254112227910 ~2002
1270564511254112902310 ~2002
1270577219254115443910 ~2002
1270655279254131055910 ~2002
1270752419254150483910 ~2002
1270773193762463915910 ~2003
1270848851254169770310 ~2002
1270861283254172256710 ~2002
Exponent Prime Factor Digits Year
1270868411254173682310 ~2002
1270868771254173754310 ~2002
1270876571254175314310 ~2002
1270905613762543367910 ~2003
1270912091254182418310 ~2002
12709373775846311934311 ~2005
1271066903254213380710 ~2002
12710743812796363638311 ~2005
12710861991016868959311 ~2004
1271103479254220695910 ~2002
1271178131254235626310 ~2002
1271246891254249378310 ~2002
1271262491254252498310 ~2002
1271268503254253700710 ~2002
1271282921762769752710 ~2003
12713085612034093697711 ~2004
1271328161762796896710 ~2003
1271406203254281240710 ~2002
1271409383254281876710 ~2002
1271410979254282195910 ~2002
1271442239254288447910 ~2002
1271460623254292124710 ~2002
1271475371254295074310 ~2002
1271479403254295880710 ~2002
12714867911271486791111 ~2004
Exponent Prime Factor Digits Year
12715415331780158146311 ~2004
12715730273051775264911 ~2005
1271575691254315138310 ~2002
12715776473051786352911 ~2005
1271586623254317324710 ~2002
1271612759254322551910 ~2002
1271636039254327207910 ~2002
1271645591254329118310 ~2002
12716805191271680519111 ~2004
12716915991017353279311 ~2004
12717010373052082488911 ~2005
1271721239254344247910 ~2002
12717417771780438487911 ~2004
1271760641763056384710 ~2003
12718742211017499376911 ~2004
1271888281763132968710 ~2003
1271941613763164967910 ~2003
12720545691017643655311 ~2004
1272065437763239262310 ~2003
1272066443254413288710 ~2002
12720772491017661799311 ~2004
12721175415851740688711 ~2005
12721212291017696983311 ~2004
1272163441763298064710 ~2003
1272203759254440751910 ~2002
Exponent Prime Factor Digits Year
1272289211254457842310 ~2002
1272301259254460251910 ~2002
1272363479254472695910 ~2002
1272372119254474423910 ~2002
1272402899254480579910 ~2002
1272594311254518862310 ~2002
1272600577763560346310 ~2003
1272623531254524706310 ~2002
1272639671254527934310 ~2002
1272659291254531858310 ~2002
1272674303254534860710 ~2002
1272680939254536187910 ~2002
1272734891254546978310 ~2002
1272737423254547484710 ~2002
1272755411254551082310 ~2002
1272823619254564723910 ~2002
12728364173054807400911 ~2005
1272873863254574772710 ~2002
1272945757763767454310 ~2003
12730826511018466120911 ~2004
12731195271018495621711 ~2004
1273134623254626924710 ~2002
1273150937763890562310 ~2003
1273192559254638511910 ~2002
1273223519254644703910 ~2002
3554
GIMPS The Prime Pages FactorDb.com
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25-04-13