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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
12747239254944798 ~1986
127472391019779139
12747323254946478 ~1986
12747419254948398 ~1986
12747503254950078 ~1986
12748163254963278 ~1986
12748277764896638 ~1988
12748493764909598 ~1988
12748583254971678 ~1986
12748643254972878 ~1986
127492392294863039 ~1989
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
Exponent Prime Factor Digits Year
12751927112216957710 ~1990
12752339255046798 ~1986
12752471255049438 ~1986
127526091020208739 ~1988
12752951255059038 ~1986
127531131785435839 ~1989
12753131255062638 ~1986
12753421765205278 ~1988
12754151255083038 ~1986
12754559255091198 ~1986
12754661765279678 ~1988
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
Exponent Prime Factor Digits Year
12758411255168238 ~1986
127585491786196879 ~1989
12758591255171838 ~1986
12758741765524478 ~1988
12759359255187198 ~1986
12759557765573438 ~1988
12760031255200638 ~1986
127602771786438799 ~1989
12760991255219838 ~1986
12761219255224398 ~1986
12761459255229198 ~1986
12761603255232078 ~1986
12762311255246238 ~1986
12762377765742638 ~1988
12762419255248398 ~1986
12763511255270238 ~1986
12763703255274078 ~1986
12764039255280798 ~1986
12764173765850398 ~1988
127644171021153379 ~1988
12764651255293038 ~1986
12764723255294478 ~1986
12764831255296638 ~1986
12764879255297598 ~1986
127649231276492319 ~1988
Exponent Prime Factor Digits Year
12765143255302878 ~1986
12765383255307678 ~1986
12765803255316078 ~1986
127658811021270499 ~1988
12766199255323998 ~1986
127665499957908239 ~1990
12766553765993198 ~1988
12766763255335278 ~1986
127678131787493839 ~1989
12768023255360478 ~1986
127680471021443779 ~1988
127681212808986639 ~1989
12768191255363838 ~1986
127684491787582879 ~1989
12768733766123998 ~1988
12768761766125678 ~1988
12768971255379438 ~1986
127690393064569379 ~1989
12769103255382078 ~1986
12769307114923763110 ~1991
12769331255386638 ~1986
12769517766171038 ~1988
127697093064730179 ~1989
12769781766186878 ~1988
12769943255398878 ~1986
1153
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25-06-08