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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 Dig. Year
123118391879849471349711 ~2011
123129095032462581900711 ~2010
123130295512462605910311 ~2010
123135607192462712143911 ~2010
123135770632462715412711 ~2010
123140463592462809271911 ~2010
123145964337388757859911 ~2011
1231555705717241779879912 ~2012
123169731137390183867911 ~2011
123169863592463397271911 ~2010
123170502112463410042311 ~2010
123174937192463498743911 ~2010
123177361432463547228711 ~2010
1231855042378838722707312 ~2014
123189075112463781502311 ~2010
123192105832463842116711 ~2010
123197649592463952991911 ~2010
123199283992463985679911 ~2010
1232023323112320233231112 ~2012
123204631192464092623911 ~2010
123205520632464110412711 ~2010
123210226432464204528711 ~2010
123213248177392794890311 ~2011
123214436337392866179911 ~2011
123216503392464330067911 ~2010
Exponent Prime Factor Dig. Year
123224730119857978408911 ~2011
123242164792464843295911 ~2010
123244239112464884782311 ~2010
123254418899860353511311 ~2011
123259913519860793080911 ~2011
123261579712465231594311 ~2010
123261983699860958695311 ~2011
123265042432465300848711 ~2010
1232767995122189823911912 ~2012
123281971312465639426311 ~2010
123282536992465650739911 ~2010
123288578392465771567911 ~2010
123302923912466058478311 ~2010
1233095169719729522715312 ~2012
123311165992466223319911 ~2010
1233148822349325952892112 ~2013
123330055792466601115911 ~2010
1233334305112333343051112 ~2012
123335876279866870101711 ~2011
123339020512466780410311 ~2010
123344136592466882731911 ~2010
123352305419868184432911 ~2011
123359297992467185959911 ~2010
123362743373866...77215914 2023
123365155912467303118311 ~2010
Exponent Prime Factor Dig. Year
123370562392467411247911 ~2010
123381572392467631447911 ~2010
1233851040719741616651312 ~2012
123396389032467927780711 ~2010
123398318512467966370311 ~2010
123398969512467979390311 ~2010
123402804712468056094311 ~2010
123402845032468056900711 ~2010
123405433312468108666311 ~2010
123411175312468223506311 ~2010
123416832832468336656711 ~2010
123419156392468383127911 ~2010
123421084217405265052711 ~2011
123423281392468465627911 ~2010
123432113992468642279911 ~2010
123438467992468769359911 ~2010
123442818112468856362311 ~2010
123446086379875686909711 ~2011
123472935777408376146311 ~2011
1234816567327165964480712 ~2012
123484871417409092284711 ~2011
123487690192469753803911 ~2010
123488260192469765203911 ~2010
123489050992469781019911 ~2010
123493461112469869222311 ~2010
Exponent Prime Factor Dig. Year
1234943550712349435507112 ~2012
123498474832469969496711 ~2010
123498810832469976216711 ~2010
123503215312470064306311 ~2010
123505037512470100750311 ~2010
123509239192470184783911 ~2010
123511989712470239794311 ~2010
123515475832470309516711 ~2010
123519002992470380059911 ~2010
123524899912470497998311 ~2010
123525353392470507067911 ~2010
1235315047159295122260912 ~2013
123531807112470636142311 ~2010
123547433279883794661711 ~2011
123550211032471004220711 ~2010
123550400219884032016911 ~2011
123555581392471111627911 ~2010
123559823512471196470311 ~2010
123567359392471347187911 ~2010
123570862792471417255911 ~2010
123570945232471418904711 ~2010
123571487992471429759911 ~2010
123574579912471491598311 ~2010
1235765329169202858429712 ~2013
123576673799886133903311 ~2011
4388
GIMPS The Prime Pages FactorDb.com
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25-06-01