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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
399747403917994948078311 ~2014
399749510397994990207911 ~2014
3998161559323988969355912 ~2015
399816432117996328642311 ~2014
399826407237996528144711 ~2014
399831989037996639780711 ~2014
399849570117996991402311 ~2014
3998496253363975940052912 ~2016
3998519923723991119542312 ~2015
399857379837997147596711 ~2014
399867713517997354270311 ~2014
399868025997997360519911 ~2014
399882151917997643038311 ~2014
399883827237997676544711 ~2014
399889623117997792462311 ~2014
399913842597998276851911 ~2014
399985409517999708190311 ~2014
399991359597999827191911 ~2014
399992336997999846739911 ~2014
3999939644931999517159312 ~2015
4000195591324001173547912 ~2015
4000569501172010251019912 ~2016
400062366598001247331911 ~2014
400076127598001522551911 ~2014
400103029198002060583911 ~2014
Exponent Prime Factor Dig. Year
400115826598002316531911 ~2014
400116989998002339799911 ~2014
400123016038002460320711 ~2014
400129035238002580704711 ~2014
4001630251940016302519112 ~2016
4001777746340017777463112 ~2016
400200115198004002303911 ~2014
400205784598004115691911 ~2014
4002078499732016627997712 ~2015
400229839438004596788711 ~2014
400281258838005625176711 ~2014
4002865891132022927128912 ~2015
400308624118006172482311 ~2014
4003189756732025518053712 ~2015
4003214652124019287912712 ~2015
400333193518006663870311 ~2014
400379245198007584903911 ~2014
4003814170124022885020712 ~2015
400397376238007947524711 ~2014
400449989638008999792711 ~2014
400470327838009406556711 ~2014
400480617238009612344711 ~2014
400489487398009789747911 ~2014
400499054038009981080711 ~2014
400507251118010145022311 ~2014
Exponent Prime Factor Dig. Year
400507391398010147827911 ~2014
400522263598010445271911 ~2014
400526719318010534386311 ~2014
400608628438012172568711 ~2014
4006197157724037182946312 ~2015
4006281217132050249736912 ~2015
4006415485324038492911912 ~2015
400662456718013249134311 ~2014
4006921840732055374725712 ~2015
4006929719324041578315912 ~2015
400694601598013892031911 ~2014
400713421318014268426311 ~2014
400715795398014315907911 ~2014
400724282518014485650311 ~2014
400763252038015265040711 ~2014
4008045621724048273730312 ~2015
4008307212164132915393712 ~2016
400840312198016806243911 ~2014
400848044398016960887911 ~2014
400856352118017127042311 ~2014
4008570779972154274038312 ~2016
400888099198017761983911 ~2014
400930586518018611730311 ~2014
400967787238019355744711 ~2014
400975930438019518608711 ~2014
Exponent Prime Factor Dig. Year
400980568198019611363911 ~2014
4009891615324059349691912 ~2015
400990680838019813616711 ~2014
401006779318020135586311 ~2014
401011534198020230683911 ~2014
401013438718020268774311 ~2014
401024028718020480574311 ~2014
401036391718020727834311 ~2014
4010367305972186611506312 ~2016
401062964638021259292711 ~2014
401067768238021355364711 ~2014
401071239238021424784711 ~2014
4011034575764176553211312 ~2016
401107752838022155056711 ~2014
401124947038022498940711 ~2014
401135446438022708928711 ~2014
401157074038023141480711 ~2014
401158345198023166903911 ~2014
401159291518023185830311 ~2014
4012326060124073956360712 ~2015
4012391231932099129855312 ~2015
4012525066340125250663112 ~2016
4012698637324076191823912 ~2015
401297657518025953150311 ~2014
401305143238026102864711 ~2014
4615
GIMPS The Prime Pages FactorDb.com
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25-04-13