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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
12739271254785438 ~1986
12739691254793838 ~1986
12739717305753208110 ~1992
12739763254795278 ~1986
12739799254795998 ~1986
127403391019227139 ~1988
12740603254812078 ~1986
12740699254813998 ~1986
127407111019256899 ~1988
127411731783764239 ~1989
127414333057943939 ~1989
12741539254830798 ~1986
12741779254835598 ~1986
12741983254839678 ~1986
127420031274200319 ~1988
12742139254842798 ~1986
127423573058165699 ~1989
12742481764548878 ~1988
127426333822789919 ~1989
12742679254853598 ~1986
12742777764566638 ~1988
12742811254856238 ~1986
12742871254857438 ~1986
12742883254857678 ~1986
127431912038910579 ~1989
Exponent Prime Factor Digits Year
127435271274352719 ~1988
12743543254870878 ~1986
12743663254873278 ~1986
12743677764620638 ~1988
12744581764674878 ~1988
12745177764710638 ~1988
12745259254905198 ~1986
12745283254905678 ~1986
12746171254923438 ~1986
12746197764771838 ~1988
12746543254930878 ~1986
12746711254934238 ~1986
12746879175906930310 ~1991
12747131254942638 ~1986
12747239254944798 ~1986
127472391019779139
12747323254946478 ~1986
12747419254948398 ~1986
12747503254950078 ~1986
12748163254963278 ~1986
12748277764896638 ~1988
12748493764909598 ~1988
12748583254971678 ~1986
12748643254972878 ~1986
127492392294863039 ~1989
Exponent Prime Factor Digits Year
12749783254995678 ~1986
127498611019988899 ~1988
12750011255000238 ~1986
12750239255004798 ~1986
12750443255008878 ~1986
12750497765029838 ~1988
127507191020057539 ~1988
12750911255018238 ~1986
12751133765067998 ~1988
12751559255031198 ~1986
12751573765094398 ~1988
12751577765094638 ~1988
127517691785247679 ~1989
127518116120869299 ~1990
12751927112216957710 ~1991
12752339255046798 ~1986
12752471255049438 ~1986
127526091020208739 ~1988
12752951255059038 ~1986
127531131785435839 ~1989
12753131255062638 ~1986
12753421765205278 ~1988
12754151255083038 ~1986
12754559255091198 ~1986
12754661765279678 ~1988
Exponent Prime Factor Digits Year
127548173061156099 ~1989
12754997765299838 ~1988
12755837765350238 ~1988
12755843255116878 ~1986
127560591020484739 ~1988
12756203255124078 ~1986
12756479255129598 ~1986
12756479145423860710
12757091255141838 ~1986
12757301765438078 ~1988
12757583255151678 ~1986
12757741765464478 ~1988
12758051255161038 ~1986
12758183255163678 ~1986
12758411255168238 ~1986
127585491786196879 ~1989
12758591255171838 ~1986
12758741765524478 ~1988
12759359255187198 ~1986
12759557765573438 ~1988
12760031255200638 ~1986
127602771786438799 ~1989
12760991255219838 ~1986
12761219255224398 ~1986
12761459255229198 ~1986
1159
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25-07-08