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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
19069943811525595504911 ~2005
1907042831381408566310 ~2004
1907071583381414316710 ~2004
19070780211144246812711 ~2005
1907172131381434426310 ~2004
1907194199381438839910 ~2004
190721346712206166188912 ~2007
1907306339381461267910 ~2004
1907345663381469132710 ~2004
1907432651381486530310 ~2004
19074604977248349888711 ~2007
1907497643381499528710 ~2004
19075382331144522939911 ~2005
1907541599381508319910 ~2004
1907566211381513242310 ~2004
1907617163381523432710 ~2004
19076281311526102504911 ~2005
19076306777630522708111 ~2007
1907682011381536402310 ~2004
19077163131144629787911 ~2005
1907804603381560920710 ~2004
1907812979381562595910 ~2004
1907884691381576938310 ~2004
190796996934725053435912 ~2008
19079960999158381275311 ~2007
Exponent Prime Factor Digits Year
1908053051381610610310 ~2004
19080702119158737012911 ~2007
1908072671381614534310 ~2004
1908086879381617375910 ~2004
1908170963381634192710 ~2004
1908187811381637562310 ~2004
1908200831381640166310 ~2004
1908267143381653428710 ~2004
19083448972671682855911 ~2006
1908477671381695534310 ~2004
1908502103381700420710 ~2004
1908508163381701632710 ~2004
19085155933053624948911 ~2006
1908546611381709322310 ~2004
1908569051381713810310 ~2004
190863944919468122379912 ~2008
19086914571526953165711 ~2005
1908697211381739442310 ~2004
1908752063381750412710 ~2004
1908766823381753364710 ~2004
19087842617635137044111 ~2007
1908785699381757139910 ~2004
19088505073054160811311 ~2006
1908875939381775187910 ~2004
19089093971145345638311 ~2005
Exponent Prime Factor Digits Year
1908958283381791656710 ~2004
19089636531145378191911 ~2005
1909003223381800644710 ~2004
1909006343381801268710 ~2004
1909026023381805204710 ~2004
1909030583381806116710 ~2004
19090658571145439514311 ~2005
1909077311381815462310 ~2004
1909125623381825124710 ~2004
1909208123381841624710 ~2004
1909239551381847910310 ~2004
1909260623381852124710 ~2004
1909261943381852388710 ~2004
1909296971381859394310 ~2004
1909363259381872651910 ~2004
1909419959381883991910 ~2004
1909452371381890474310 ~2004
1909534031381906806310 ~2004
1909592519381918503910 ~2004
19096252611145775156711 ~2005
1909653143381930628710 ~2004
1909703111381940622310 ~2004
1909772603381954520710 ~2004
1909860203381972040710 ~2004
1909928099381985619910 ~2004
Exponent Prime Factor Digits Year
1909948763381989752710 ~2004
1910002091382000418310 ~2004
19100578611528046288911 ~2005
1910073983382014796710 ~2004
19101189374584285448911 ~2006
1910135159382027031910 ~2004
1910182199382036439910 ~2004
19102191973056350715311 ~2006
19103140971146188458311 ~2005
1910355071382071014310 ~2004
1910361983382072396710 ~2004
1910410979382082195910 ~2004
1910445539382089107910 ~2004
19104601371528368109711 ~2005
1910499131382099826310 ~2004
191054545147381527184912 ~2009
1910553791382110758310 ~2004
1910580779382116155910 ~2004
1910602871382120574310 ~2004
1910628539382125707910 ~2004
1910664611382132922310 ~2004
1910732423382146484710 ~2004
1910767559382153511910 ~2004
1910783411382156682310 ~2004
19107871396496676272711 ~2007
4230
GIMPS The Prime Pages FactorDb.com
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26-05-03