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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
153722799724595647952112 ~2007
15372300411229784032911 ~2004
1537304159307460831910 ~2003
15373449111229875928911 ~2004
1537438739307487747910 ~2003
1537440419307488083910 ~2003
1537509023307501804710 ~2003
1537557023307511404710 ~2003
1537598999307519799910 ~2003
1537612091307522418310 ~2003
1537616903307523380710 ~2003
1537621439307524287910 ~2003
1537626011307525202310 ~2003
1537669103307533820710 ~2003
1537677157922606294310 ~2004
1537719193922631515910 ~2004
1537770191307554038310 ~2003
1537875863307575172710 ~2003
1537907963307581592710 ~2003
1537909679307581935910 ~2003
1537917239307583447910 ~2003
1538010959307602191910 ~2003
1538014091307602818310 ~2003
1538053763307610752710 ~2003
1538138531307627706310 ~2003
Exponent Prime Factor Digits Year
1538141723307628344710 ~2003
1538152883307630576710 ~2003
1538182571307636514310 ~2003
1538243891307648778310 ~2003
1538274191307654838310 ~2003
15383181291230654503311 ~2004
1538391839307678367910 ~2003
1538406983307681396710 ~2003
1538409479307681895910 ~2003
1538424659307684931910 ~2003
1538525363307705072710 ~2003
1538529119307705823910 ~2003
1538647391307729478310 ~2003
1538664311307732862310 ~2003
153870348720926367423312 ~2007
1538855243307771048710 ~2003
1538910239307782047910 ~2003
1538949371307789874310 ~2003
1538960243307792048710 ~2003
1538962583307792516710 ~2003
1539062333923437399910 ~2004
15390626533385937836711 ~2005
1539088091307817618310 ~2003
1539118079307823615910 ~2003
1539167111307833422310 ~2003
Exponent Prime Factor Digits Year
1539181223307836244710 ~2003
1539199691307839938310 ~2003
1539219971307843994310 ~2003
1539348953923609371910 ~2004
1539370117923622070310 ~2004
1539432311307886462310 ~2003
1539456059307891211910 ~2003
1539502313923701387910 ~2004
15395046616158018644111 ~2006
1539651479307930295910 ~2003
1539675359307935071910 ~2003
1539759323307951864710 ~2003
1539763259307952651910 ~2003
1539852683307970536710 ~2003
1539885131307977026310 ~2003
15399099892155873984711 ~2005
1539926123307985224710 ~2003
15400033191232002655311 ~2004
1540015871308003174310 ~2003
1540020239308004047910 ~2003
15400217831540021783111 ~2004
1540056263308011252710 ~2003
15400601893696144453711 ~2005
1540106663308021332710 ~2003
1540161671308032334310 ~2003
Exponent Prime Factor Digits Year
15402460333388541272711 ~2005
1540291139308058227910 ~2003
1540304879308060975910 ~2003
1540314311308062862310 ~2003
1540385471308077094310 ~2003
1540427257924256354310 ~2004
1540433039308086607910 ~2003
1540440059308088011910 ~2003
15404767871540476787111 ~2004
1540483151308096630310 ~2003
1540516331308103266310 ~2003
1540536611308107322310 ~2003
1540746437924447862310 ~2004
1540748753924449251910 ~2004
154086343712326907496112 ~2007
1540914311308182862310 ~2003
1540933571308186714310 ~2003
1540953119308190623910 ~2003
1540973111308194622310 ~2003
15410227871541022787111 ~2004
1541052239308210447910 ~2003
1541072917924643750310 ~2004
1541096363308219272710 ~2003
1541109803308221960710 ~2003
1541130491308226098310 ~2003
3628
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25-04-13