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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
1986619433973238879 ~1996
198665393119199235910 ~1997
1986662393973324799 ~1996
198666929278133700710 ~1998
198671089794684356110 ~1999
1986735113973470239 ~1996
1986816113973632239 ~1996
198683231158946584910 ~1997
1986862313973724639 ~1996
198686239953693947310 ~1999
1986940913973881839 ~1996
198694813596084439110 ~1999
1986973193973946399 ~1996
198699041119219424710 ~1997
198700393437140864710 ~1998
1987058633974117279 ~1996
198719561119231736710 ~1997
1987198193974396399 ~1996
198723479357702262310 ~1998
198731801119239080710 ~1997
1987330193974660399 ~1996
198734293119240575910 ~1997
198735367198735367110 ~1998
198740173437228380710 ~1998
198744901119246940710 ~1997
Exponent Prime Factor Digits Year
198764021159011216910 ~1997
1987659233975318479 ~1996
198772781159018224910 ~1997
1987738193975476399 ~1996
198776657119265994310 ~1997
1987780433975560879 ~1996
198778873119267323910 ~1997
198780941119268564710 ~1997
1987908113975816239 ~1996
198792257477101416910 ~1998
1987949033975898079 ~1996
1987949513975899039 ~1996
1988023913976047839 ~1996
1988080913976161839 ~1996
198820837596462511110 ~1999
198821101119292660710 ~1997
1988246633976493279 ~1996
1988289113976578239 ~1996
1988328113976656239 ~1996
1988332913976665839 ~1996
198839521119303712710 ~1997
1988403713976807439 ~1996
1988407313976814639 ~1996
1988524433977048879 ~1996
1988622113977244239 ~1996
Exponent Prime Factor Digits Year
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
1989345593978691199 ~1996
198939863994699315110 ~1999
198946673119368003910 ~1997
1989484793978969599 ~1996
1989525113979050239 ~1996
1989541313979082639 ~1996
198960757119376454310 ~1997
1989656993979313999 ~1996
Exponent Prime Factor Digits Year
198968743198968743110 ~1998
1989698393979396799 ~1996
198976081119385648710 ~1997
1989855713979711439 ~1996
198991393119394835910 ~1997
198992611358186699910 ~1998
1989984833979969679 ~1996
1989991913979983839 ~1996
199006487159205189710 ~1997
1990074113980148239 ~1996
1990278833980557679 ~1996
1990287233980574479 ~1996
199038473119423083910 ~1997
199038967199038967110 ~1998
199046447159237157710 ~1997
1990472633980945279 ~1996
199049827199049827110 ~1998
1990500833981001679 ~1996
1990563113981126239 ~1996
199062817119437690310 ~1997
1990640033981280079 ~1996
199070099159256079310 ~1997
1990728833981457679 ~1996
1990769033981538079 ~1996
199078769159263015310 ~1997
2755
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25-04-20