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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
439493172636959039 ~1992
439496993515975939 ~1992
43950383879007678 ~1991
43951163879023278 ~1991
43951223879024478 ~1991
43951499879029998 ~1991
43952039879040798 ~1991
43952171879043438 ~1991
439522193516177539 ~1992
439529213516233699 ~1992
439532332637193999 ~1992
43954199879083998 ~1991
43956023879120478 ~1991
43956683879133678 ~1991
439572172637433039 ~1992
43958303879166078 ~1991
43959143879182878 ~1991
43959743879194878 ~1991
43961063879221278 ~1991
43961149175844596110 ~1994
439630394396303919 ~1992
43963151879263038 ~1991
43963883879277678 ~1991
43964243879284878 ~1991
43964471879289438 ~1991
Exponent Prime Factor Digits Year
439648612637891679 ~1992
43965851879317038 ~1991
439677612638065679 ~1992
43967999879359998 ~1991
43968143879362878 ~1991
43968623879372478 ~1991
43971359879427198 ~1991
43972199879443998 ~1991
43973591879471838 ~1991
43974779879495598 ~1991
43976843879536878 ~1991
43977743879554878 ~1991
439787513518300099 ~1992
43979779105551469710 ~1993
43980323879606478 ~1991
439803593518428739 ~1992
439811532638869199 ~1992
439812113518496899 ~1992
43981859879637198 ~1991
43982219879644398 ~1991
43982231879644638 ~1991
439836617037385779 ~1993
43984931879698638 ~1991
43989083879781678 ~1991
43989277211148529710 ~1994
Exponent Prime Factor Digits Year
43990799879815998 ~1991
439914914399149119 ~1992
43993511879870238 ~1991
43994939879898798 ~1991
43996091879921838 ~1991
43996679879933598 ~1991
439970772639824639 ~1992
43997119149590204710 ~1994
440017913520143299 ~1992
44003699880073998 ~1991
440039573520316579 ~1992
44004839880096798 ~1991
44006411880128238 ~1991
44006771880135438 ~1991
44007179880143598 ~1991
44007599880151998 ~1991
44007851880157038 ~1991
44008091880161838 ~1991
440090412640542479 ~1992
44010311880206238 ~1991
44010383880207678 ~1991
44010899880217998 ~1991
44011753132035259110 ~1994
44011991880239838 ~1991
440120397922167039 ~1993
Exponent Prime Factor Digits Year
44012051880241038 ~1991
44013083880261678 ~1991
44013419880268398 ~1991
440149332640895999 ~1992
44014979880299598 ~1991
44015063880301278 ~1991
44015351880307038 ~1991
44016067149654627910 ~1994
44017283880345678 ~1991
440197932641187599 ~1992
44022311880446238 ~1991
44023211880464238 ~1991
440234594402345919 ~1992
44023571880471438 ~1991
440236972641421839 ~1992
44024399880487998 ~1991
44025391211321876910 ~1994
44026511880530238 ~1991
44027111880542238 ~1991
44029211880584238 ~1991
440312572641875439 ~1992
44031551880631038 ~1991
440317313522538499 ~1992
44033183880663678 ~1991
440338132043168923311 ~1996
2009
GIMPS The Prime Pages FactorDb.com
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25-07-08