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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
1238310899906487139 ~1996
1238336032476672079 ~1994
1238359192476718399 ~1994
1238370232476740479 ~1994
123838313173373638310 ~1996
1238411279907290179 ~1996
1238428912476857839 ~1994
1238455312476910639 ~1994
1238499832476999679 ~1994
1238560912477121839 ~1994
1238592832477185679 ~1994
1238601977431611839 ~1995
1238634832477269679 ~1994
1238634977431809839 ~1995
123865733173412026310 ~1996
1238661592477323199 ~1994
1238738392477476799 ~1994
1238745592477491199 ~1994
1238755792477511599 ~1994
1238810032477620079 ~1994
1238878432477756879 ~1994
1238883712477767439 ~1994
123890227123890227110 ~1996
123890653297337567310 ~1997
1238926792477853599 ~1994
Exponent Prime Factor Digits Year
123894229297346149710 ~1997
1238943112477886239 ~1994
1238977432477954879 ~1994
123902083123902083110 ~1996
123904087123904087110 ~1996
1239056931065588959911 ~1998
1239119992478239999 ~1994
1239121377434728239 ~1995
1239126832478253679 ~1994
1239138592478277199 ~1994
1239147112478294239 ~1994
123917401198267841710 ~1996
1239196192478392399 ~1994
1239210232478420479 ~1994
1239222232478444479 ~1994
1239226792478453599 ~1994
1239298679914389379 ~1996
123932143123932143110 ~1996
1239358377436150239 ~1995
123936157198297851310 ~1996
1239367217436203279 ~1995
1239369592478739199 ~1994
1239384712478769439 ~1994
123946051123946051110 ~1996
123948169495792676110 ~1997
Exponent Prime Factor Digits Year
1239496977436981839 ~1995
1239505912479011839 ~1994
1239576112479152239 ~1994
1239593992479187999 ~1994
1239637432479274879 ~1994
1239646792479293599 ~1994
1239671392479342799 ~1994
1239677937438067599 ~1995
1239679192479358399 ~1994
1239714112479428239 ~1994
123973063123973063110 ~1996
123983333297559999310 ~1997
1239854417439126479 ~1995
1239911392479822799 ~1994
1239933232479866479 ~1994
1239974632479949279 ~1994
1239983777439902639 ~1995
1240075312480150639 ~1994
1240095417440572479 ~1995
1240107232480214479 ~1994
1240118519920948099 ~1996
1240166992480333999 ~1994
1240174199921393539 ~1996
1240181217441087279 ~1995
124022347124022347110 ~1996
Exponent Prime Factor Digits Year
1240236712480473439 ~1994
1240262512480525039 ~1994
1240276912480553839 ~1994
1240288432480576879 ~1994
1240327617441965679 ~1995
1240377377442264239 ~1995
1240411432480822879 ~1994
1240415512480831039 ~1994
1240433999923471939 ~1996
1240457699923661539 ~1996
1240499632480999279 ~1994
1240559992481119999 ~1994
1240564217443385279 ~1995
1240564792481129599 ~1994
124056841198490945710 ~1996
1240581832481163679 ~1994
124060399521053675910 ~1997
1240628817443772879 ~1995
1240638112481276239 ~1994
1240644112481288239 ~1994
1240666737444000399 ~1995
1240686712481373439 ~1994
1240705017444230079 ~1995
1240707617444245679 ~1995
1240716719925733699 ~1996
2590
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25-07-13