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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
564165733384994399 ~1993
564181191128362399 ~1992
564181431128362879 ~1992
564185391128370799 ~1992
564188631128377279 ~1992
564198231128396479 ~1992
564224511128449039 ~1992
564236511128473039 ~1992
564264831128529679 ~1992
564274431128548879 ~1992
564274933385649599 ~1993
564285231128570479 ~1992
564306591128613199 ~1992
564311631128623279 ~1992
564328191128656399 ~1992
564362391128724799 ~1992
564381711128763439 ~1992
564397911128795839 ~1992
56439833180607465710 ~1994
564408591128817199 ~1992
564426231128852479 ~1992
564428994515431939 ~1993
564430311128860639 ~1992
564436311128872639 ~1992
56445439643478004710 ~1996
Exponent Prime Factor Digits Year
564454431128908879 ~1992
564482991128965999 ~1992
56449091146767636710 ~1994
564498733386992399 ~1993
564500631129001279 ~1992
564506994516055939 ~1993
564520431129040879 ~1992
564557391129114799 ~1992
564569097903967279 ~1994
564573111129146239 ~1992
564580431129160879 ~1992
564581511129163039 ~1992
564586311129172639 ~1992
56461367101630460710 ~1994
564617031129234079 ~1992
564617991129235999 ~1992
564633591129267199 ~1992
56464439237150643910 ~1995
564674413388046479 ~1993
564675111129350239 ~1992
564680631129361279 ~1992
564681831129363679 ~1992
564696831129393679 ~1992
564702831129405679 ~1992
564707631129415279 ~1992
Exponent Prime Factor Digits Year
564712737905978239 ~1994
564722031129444079 ~1992
564725577906157999 ~1994
564745311129490639 ~1992
564769911129539839 ~1992
564796939036750899 ~1994
564811791129623599 ~1992
564819231129638479 ~1992
564821214518569699 ~1993
564829275648292719 ~1993
564837231129674479 ~1992
564838791129677599 ~1992
56483993587433527310 ~1996
56485837271132017710 ~1995
564880791129761599 ~1992
564890874519126979 ~1993
564895911129791839 ~1992
564904911129809839 ~1992
564914991129829999 ~1992
564922515649225119 ~1993
564933831129867679 ~1992
56493427101688168710 ~1994
564937431129874879 ~1992
56497253406780221710 ~1995
564973333389839999 ~1993
Exponent Prime Factor Digits Year
564977991129955999 ~1992
564981711129963439 ~1992
564987533389925199 ~1993
564987733389926399 ~1993
564993231129986479 ~1992
564997911129995839 ~1992
565027933390167599 ~1993
56502907101705232710 ~1994
565036333390217999 ~1993
56504543135610903310 ~1994
565045791130091599 ~1992
565055511130111039 ~1992
565060311130120639 ~1992
565060813390364879 ~1993
565069911130139839 ~1992
565071613390429679 ~1993
565073511130147039 ~1992
565074973390449839 ~1993
565078791130157599 ~1992
565083591130167199 ~1992
565088391130176799 ~1992
565112391130224799 ~1992
565119711130239439 ~1992
565138133390828799 ~1993
565138191130276399 ~1992
2137
GIMPS The Prime Pages FactorDb.com
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25-06-08