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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
28678763573575278 ~1989
28679543573590878 ~1989
28679639573592798 ~1989
28679771573595438 ~1989
28680251573605038 ~1989
28680373131929715910 ~1993
286805996883343779 ~1992
28680749430211235110 ~1994
28680779573615598 ~1989
28681199573623998 ~1989
286813131720878799 ~1990
28681511573630238 ~1989
28681871573637438 ~1989
28682123573642478 ~1989
28682399573647998 ~1989
28683779573675598 ~1989
28683983573679678 ~1989
28684079573681598 ~1989
28684223573684478 ~1989
28684619573692398 ~1989
286847574015865999 ~1991
286850572294804579 ~1991
28685771573715438 ~1989
28686431573728638 ~1989
28686659573733198 ~1989
Exponent Prime Factor Digits Year
286868932426911147911 ~1996
28687031573740638 ~1989
28687091573741838 ~1989
28687163573743278 ~1989
28687271573745438 ~1989
28687523573750478 ~1989
28687979573759598 ~1989
28688111573762238 ~1989
28688123573762478 ~1989
28688711573774238 ~1989
286889212295113699 ~1991
28689071573781438 ~1989
28689179573783598 ~1989
286893292295146339 ~1991
28689371573787438 ~1989
28689443573788878 ~1989
28689623573792478 ~1989
28689779573795598 ~1989
28690043573800878 ~1989
28690523573810478 ~1989
28690559573811198 ~1989
28690919573818398 ~1989
28690979573819598 ~1989
28691543573830878 ~1989
28692263573845278 ~1989
Exponent Prime Factor Digits Year
28692647137724705710 ~1993
28693139573862798 ~1989
286934094017077279 ~1991
28693823573876478 ~1989
28694999573899998 ~1989
28695011573900238 ~1989
28695083573901678 ~1989
286952571721715439 ~1990
28695323573906478 ~1989
28695539573910798 ~1989
28696439573928798 ~1989
28696511573930238 ~1989
286966011721796079 ~1990
28697183573943678 ~1989
28697219573944398 ~1989
286975974017663599 ~1991
286978971721873839 ~1990
28698083573961678 ~1989
28698671573973438 ~1989
28698899573977998 ~1989
28699343573986878 ~1989
287005371722032239 ~1990
28700783574015678 ~1989
287008312296066499 ~1991
28701131574022638 ~1989
Exponent Prime Factor Digits Year
28701479574029598 ~1989
28701791574035838 ~1989
28703483574069678 ~1989
287042599759448079 ~1992
287043171722259039 ~1990
28704479574089598 ~1989
287051411722308479 ~1990
28705151574103038 ~1989
28705223574104478 ~1989
28705343574106878 ~1989
287053731722322399 ~1990
28705499574109998 ~1989
28706003574120078 ~1989
28706291574125838 ~1989
28706543574130878 ~1989
287074636889791139 ~1992
28707743574154878 ~1989
28708079574161598 ~1989
28708499574169998 ~1989
287090714593451379 ~1991
28709699574193998 ~1989
287108115167945999 ~1992
28711043574220878 ~1989
28711211574224238 ~1989
28711643574232878 ~1989
1690
GIMPS The Prime Pages FactorDb.com
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25-05-04