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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
1988328113976656239 ~1996
1988332913976665839 ~1996
198839521119303712710 ~1997
1988403713976807439 ~1996
1988405993976811999 ~1996
1988407313976814639 ~1996
1988524433977048879 ~1996
1988622113977244239 ~1996
1988624513977249039 ~1996
1988635375249997376911 ~2001
1988683091869362104711 ~2000
1988848313977696639 ~1996
1988864231909309660911 ~2000
1988890793977781599 ~1996
198895003198895003110 ~1998
1989023513978047039 ~1996
1989048833978097679 ~1996
1989184313978368639 ~1996
1989188033978376079 ~1996
1989204113978408239 ~1996
1989210593978421199 ~1996
1989248993978497999 ~1996
198928553119357131910 ~1997
198930533119358319910 ~1997
1989345233978690479 ~1996
Exponent Prime Factor Digits Year
1989345593978691199 ~1996
1989349793978699599 ~1996
198939863994699315110 ~1999
198946673119368003910 ~1997
1989484793978969599 ~1996
1989525113979050239 ~1996
1989541313979082639 ~1996
198960757119376454310 ~1997
1989656993979313999 ~1996
198968743198968743110 ~1998
1989698393979396799 ~1996
198976081119385648710 ~1997
1989855713979711439 ~1996
1989876713979753439 ~1996
198991393119394835910 ~1997
1989924833979849679 ~1996
198992611358186699910 ~1998
1989984833979969679 ~1996
1989991913979983839 ~1996
199006487159205189710 ~1997
1990074113980148239 ~1996
1990278833980557679 ~1996
1990287233980574479 ~1996
199038473119423083910 ~1997
199038967199038967110 ~1998
Exponent Prime Factor Digits Year
199046447159237157710 ~1997
1990472633980945279 ~1996
199049827199049827110 ~1998
1990500833981001679 ~1996
1990563113981126239 ~1996
199062817119437690310 ~1997
1990640033981280079 ~1996
199070099159256079310 ~1997
1990728833981457679 ~1996
1990769033981538079 ~1996
199078769159263015310 ~1997
1990836233981672479 ~1996
199091077915818954310 ~1999
1990968233981936479 ~1996
199102663318564260910 ~1998
1991053313982106639 ~1996
1991056313982112639 ~1996
199109971318575953710 ~1998
1991125913982251839 ~1996
1991198393982396799 ~1996
199120391159296312910 ~1997
199125637119475382310 ~1997
1991261393982522799 ~1996
1991272313982544639 ~1996
199128673438083080710 ~1998
Exponent Prime Factor Digits Year
1991307593982615199 ~1996
1991309033982618079 ~1996
1991326913982653839 ~1996
199133533119480119910 ~1997
199135009477924021710 ~1998
1991355113982710239 ~1996
1991406713982813439 ~1996
1991469713982939439 ~1996
199148687159318949710 ~1997
1991528393983056799 ~1996
199153909438138599910 ~1998
1991558513983117039 ~1996
199159997278823995910 ~1998
199162079159329663310 ~1997
199164811199164811110 ~1998
1991678033983356079 ~1996
1991731793983463599 ~1996
1991734313983468639 ~1996
1991755793983511599 ~1996
199179691318687505710 ~1998
1991816633983633279 ~1996
1991849393983698799 ~1996
1991914913983829839 ~1996
1991915393983830799 ~1996
1991945033983890079 ~1996
2935
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25-11-02