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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
20235599404711998 ~1988
202356471618851779 ~1989
20236943404738878 ~1988
20237051404741038 ~1988
20237411404748238 ~1988
20237963404759278 ~1988
202380171214281039 ~1989
202380672023806719 ~1990
20238131404762638 ~1988
20238719404774398 ~1988
202390334452587279 ~1991
20239463404789278 ~1988
202395292833534079 ~1990
20239679404793598 ~1988
20240219404804398 ~1988
20240399404807998 ~1988
20240543404810878 ~1988
202407891619263139 ~1989
20240903404818078 ~1988
20241131404822638 ~1988
20241563404831278 ~1988
202416534857996739 ~1991
20241731404834638 ~1988
20242031404840638 ~1988
20242199404843998 ~1988
Exponent Prime Factor Digits Year
20242451404849038 ~1988
202426971214561839 ~1989
202430811214584879 ~1989
20243291404865838 ~1988
20243339404866798 ~1988
20243579404871598 ~1988
202435931214615599 ~1989
20243603404872078 ~1988
202436899716970739 ~1991
20243831404876638 ~1988
20243843404876878 ~1988
20244599404891998 ~1988
20244839404896798 ~1988
202452131214712799 ~1989
20245499404909998 ~1988
20245559404911198 ~1988
202456376073691119 ~1991
20246123404922478 ~1988
20246483404929678 ~1988
202465911619727299 ~1989
20246783404935678 ~1988
202469211214815279 ~1989
20247239404944798 ~1988
20247803404956078 ~1988
202481811619854499 ~1989
Exponent Prime Factor Digits Year
202482731214896399 ~1989
20248451404969038 ~1988
20249123404982478 ~1988
20249291404985838 ~1988
20249423404988478 ~1988
202494433239910899 ~1990
20249819404996398 ~1988
20250239405004798 ~1988
202503433240054899 ~1990
20250491405009838 ~1988
20250539405010798 ~1988
20250563405011278 ~1988
20251079405021598 ~1988
202520171215121039 ~1989
20252279405045598 ~1988
202525393645457039 ~1990
20252783405055678 ~1988
20253011405060238 ~1988
20253119405062398 ~1988
20253419405068398 ~1988
20253539405070798 ~1988
202540491620323939 ~1989
20254991405099838 ~1988
20255003405100078 ~1988
202550771215304639 ~1989
Exponent Prime Factor Digits Year
20255723405114478 ~1988
202557711620461699 ~1989
202560292835844079 ~1990
20256959405139198 ~1988
202570732835990239 ~1990
20257091405141838 ~1988
202571171215427039 ~1989
20257271405145438 ~1988
20257943405158878 ~1988
20258291405165838 ~1988
20258663405173278 ~1988
20258831405176638 ~1988
20258939101294695110 ~1991
202593111620744899 ~1989
20259419405188398 ~1988
20259731405194638 ~1988
20259983405199678 ~1988
202606371215638239 ~1989
20260979405219598 ~1988
202620192026201919 ~1990
202620897699593839 ~1991
20262239405244798 ~1988
20262961255313308710 ~1992
202634232026342319 ~1990
202646092837045279 ~1990
1374
GIMPS The Prime Pages FactorDb.com
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24-10-27