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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
12736571254731438 ~1987
12736679254733598 ~1987
12736943254738878 ~1987
12737099254741998 ~1987
12737243254744878 ~1987
12737639254752798 ~1987
12737759254755198 ~1987
12737773764266398 ~1988
12738059254761198 ~1987
127383672038138739 ~1989
12738371254767438 ~1987
12738443254768878 ~1987
12738623254772478 ~1987
12738673764320398 ~1988
12738959254779198 ~1987
12739141764348478 ~1988
12739159114652431110 ~1991
12739271254785438 ~1987
12739691254793838 ~1987
12739717305753208110 ~1992
12739763254795278 ~1987
12739799254795998 ~1987
127403391019227139 ~1988
12740603254812078 ~1987
12740699254813998 ~1987
Exponent Prime Factor Digits Year
127407111019256899 ~1988
127411731783764239 ~1989
127414333057943939 ~1989
12741539254830798 ~1987
12741779254835598 ~1987
12741983254839678 ~1987
127420031274200319 ~1988
12742139254842798 ~1987
127423573058165699 ~1989
12742481764548878 ~1988
127426333822789919 ~1989
12742679254853598 ~1987
12742777764566638 ~1988
12742811254856238 ~1987
127428171019425379 ~1988
12742871254857438 ~1987
12742883254857678 ~1987
127431912038910579 ~1989
127435271274352719 ~1988
12743543254870878 ~1987
12743663254873278 ~1987
12743677764620638 ~1988
12743701764622078 ~1988
12744437764666238 ~1988
12744581764674878 ~1988
Exponent Prime Factor Digits Year
12745081764704878 ~1988
12745177764710638 ~1988
12745259254905198 ~1987
12745283254905678 ~1987
12746171254923438 ~1987
12746197764771838 ~1988
12746233764773998 ~1988
12746543254930878 ~1987
12746711254934238 ~1987
12746879175906930310 ~1991
127470291019762339 ~1988
12747131254942638 ~1987
12747239254944798 ~1987
127472391019779139
12747323254946478 ~1987
12747419254948398 ~1987
12747503254950078 ~1987
12747941764876478 ~1988
12748163254963278 ~1987
12748277764896638 ~1988
12748493764909598 ~1988
12748583254971678 ~1987
12748643254972878 ~1987
127492392294863039 ~1989
12749783254995678 ~1987
Exponent Prime Factor Digits Year
127498611019988899 ~1988
12750011255000238 ~1987
12750239255004798 ~1987
12750443255008878 ~1987
12750497765029838 ~1988
127507191020057539 ~1988
12750737765044238 ~1988
12750911255018238 ~1987
12751133765067998 ~1988
12751559255031198 ~1987
12751573765094398 ~1988
12751577765094638 ~1988
127517691785247679 ~1989
127518116120869299 ~1990
12751927112216957710 ~1991
127522311020178499 ~1988
12752339255046798 ~1987
12752471255049438 ~1987
127526091020208739 ~1988
12752951255059038 ~1987
127531131785435839 ~1989
12753131255062638 ~1987
12753317765199038 ~1988
12753421765205278 ~1988
12754151255083038 ~1987
1216
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26-03-29