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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
229948573679177139 ~1991
229952571379715439 ~1990
22995911459918238 ~1988
22996199459923998 ~1988
22996703459934078 ~1988
22997003459940078 ~1988
22997339459946798 ~1988
22997363459947278 ~1988
229974731379848399 ~1990
229974835979345599 ~1991
22997519459950398 ~1988
229975931379855599 ~1990
229976931379861599 ~1990
229977176899315119 ~1991
22997759459955198 ~1988
22997803147185939310 ~1992
229981211379887279 ~1990
22998383459967678 ~1988
22998779459975598 ~1988
22998803459976078 ~1988
229989073679825139 ~1991
22998971459979438 ~1988
22999859459997198 ~1988
23000123460002478 ~1988
230005571380033439 ~1990
Exponent Prime Factor Digits Year
23000699460013998 ~1988
23000723460014478 ~1988
230010072300100719 ~1990
23001551460031038 ~1988
23001983460039678 ~1988
230024511840196099 ~1990
23002631460052638 ~1988
23002799460055998 ~1988
23003639460072798 ~1988
23003759460075198 ~1988
230042571380255439 ~1990
23004539460090798 ~1988
23004671460093438 ~1988
230047011380282079 ~1990
23004701128826325710
23004911460098238 ~1988
23005883460117678 ~1988
23006111460122238 ~1988
230062371380374239 ~1990
23006471460129438 ~1988
23006579460131598 ~1988
230067471840539779 ~1990
23006783460135678 ~1988
230067912300679119 ~1990
23007059460141198 ~1988
Exponent Prime Factor Digits Year
23007203460144078 ~1988
23007311460146238 ~1988
23007899460157998 ~1988
23008019460160398 ~1988
23008619460172398 ~1988
23008703460174078 ~1988
230088192300881919 ~1990
23008883460177678 ~1988
23009411460188238 ~1988
23009699460193998 ~1988
23009771460195438 ~1988
23009879460197598 ~1988
23010551460211038 ~1988
23010563460211278 ~1988
23010863460217278 ~1988
23011139460222798 ~1988
23011211460224238 ~1988
23011283460225678 ~1988
23011559460231198 ~1988
23011883460237678 ~1988
23011979460239598 ~1988
23012963460259278 ~1988
23013251460265038 ~1988
23013383460267678 ~1988
23013983460279678 ~1988
Exponent Prime Factor Digits Year
23014451460289038 ~1988
23014619460292398 ~1988
23014811460296238 ~1988
230150811380904879 ~1990
230150816904524319
23015123460302478 ~1988
23015243460304878 ~1988
230152435523658339
23015579460311598 ~1988
23016599460331998 ~1988
230166111841328899 ~1990
23016743460334878 ~1988
23017223460344478 ~1988
230174832301748319 ~1990
23017751460355038 ~1988
23017919460358398 ~1988
23017931460358638 ~1988
230181371381088239 ~1990
23018819460376398 ~1988
23019299460385998 ~1988
230194131381164799 ~1990
230194133222717839
23020883460417678 ~1988
230209394143769039 ~1991
230211773222964799 ~1991
1548
GIMPS The Prime Pages FactorDb.com
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25-08-20