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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.
Exp. Prime Factor Digits Year
9776369782109538 ~1987
9776471195529438 ~1986
9777223977722318 ~1987
9777661586659678 ~1987
9777671195553438 ~1986
9777883977788318 ~1987
97781272542313039 ~1988
9778211195564238 ~1986
9778253586695198 ~1987
9778259195565198 ~1986
97782972346791299 ~1988
9778651977865118 ~1987
9778913586734798 ~1987
9778943195578878 ~1986
9779039195580798 ~1986
9779537782362978 ~1987
9779579195591598 ~1986
9779633586777998 ~1987
97797794694293939 ~1989
9779857586791438 ~1987
9780203195604078 ~1986
9780377782430178 ~1987
9780539195610798 ~1986
9780553586833198 ~1987
9780581311022475910 ~1991
Exp. Prime Factor Digits Year
9780851782468098 ~1987
9780887782470978 ~1987
9781063978106318 ~1987
97811272543093039 ~1988
9781153586869198 ~1987
9781349782507938 ~1987
9781361782508898 ~1987
9781763195635278 ~1986
9781861586911678 ~1987
9781991195639838 ~1986
9781997342369895110 ~1991
9782351782588098 ~1987
97826234108701679 ~1989
9782779978277918 ~1987
97830139391692499 ~1990
9783089782647138 ~1987
9783479195669598 ~1986
9783601587016078 ~1987
97836671565386739 ~1988
9784253587055198 ~1987
9784283195685678 ~1986
9784343195686878 ~1986
97844292152574399 ~1988
9784559195691198 ~1986
9784667782773378 ~1987
Exp. Prime Factor Digits Year
97847212935416319 ~1988
9784751195695038 ~1986
9784811195696238 ~1986
9784823195696478 ~1986
9785141782811298 ~1987
9785261782820898 ~1987
9785411195708238 ~1986
9785543195710878 ~1986
9785663195713278 ~1986
9785903195718078 ~1986
9786041587162478 ~1987
9786131195722638 ~1986
9786299195725998 ~1986
9786323195726478 ~1986
9786521587191278 ~1987
9786697587201838 ~1987
9786923195738478 ~1986
9787091195741838 ~1986
9787391195747838 ~1986
9787901783032098 ~1987
97879312544862079 ~1988
9788423195768478 ~1986
9788879195777598 ~1986
9788879783110338
9788951195779038 ~1986
Exp. Prime Factor Digits Year
9789257587355438 ~1987
9789491195789838 ~1986
9789779195795598 ~1986
9789971195799438 ~1986
9790331195806638 ~1986
97905792349738979 ~1988
9790751195815038 ~1986
9791003195820078 ~1986
9791069783285538 ~1987
9791459195829198 ~1986
97915993329143679 ~1989
97916932937507919 ~1988
9792173587530398 ~1987
97925711566811379 ~1988
97926311762673599 ~1988
9792701587562078 ~1987
9792701783416098
9792719195854398 ~1986
9792743195854878 ~1986
9792851195857038 ~1986
9792983195859678 ~1986
9793211783456898 ~1987
9793321587599278 ~1987
97933391286844744711 ~1993
9793571195871438 ~1986
1066
GIMPS The Prime Pages FactorDb.com
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26-07-05