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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
15537059310741198 ~1987
15537239310744798 ~1987
15537419310748398 ~1987
15538031310760638 ~1987
155381475282969999 ~1990
15538163310763278 ~1987
15538283310765678 ~1987
15538343310766878 ~1987
155384991243079939 ~1989
15538559310771198 ~1987
15539591310791838 ~1987
15539603310792078 ~1987
15539831310796638 ~1987
15539999310799998 ~1987
15540179310803598 ~1987
15540251310805038 ~1987
15540383310807678 ~1987
15540419310808398 ~1987
15541271310825438 ~1987
15541343310826878 ~1987
15541499310829998 ~1987
15541523310830478 ~1987
155415291243322339 ~1989
15542441932546478 ~1988
15542603310852078 ~1987
Exponent Prime Factor Digits Year
155437011243496099 ~1989
15543743310874878 ~1987
155443273730638499 ~1990
15544943310898878 ~1987
15545039310900798 ~1987
155450871243606979 ~1989
15545279310905598 ~1987
15545303310906078 ~1987
15545393932723598 ~1988
155456094974594899 ~1990
15545891310917838 ~1987
15546203310924078 ~1987
15546383310927678 ~1987
15546659310933198 ~1987
15546901932814078 ~1988
15546983310939678 ~1987
15547223310944478 ~1987
15547439310948798 ~1987
15548231310964638 ~1987
15548363310967278 ~1987
15548417932905038 ~1988
15548837932930238 ~1988
155490471243923779 ~1989
15549659310993198 ~1987
155497071243976579 ~1989
Exponent Prime Factor Digits Year
15550319311006398 ~1987
15550517933031038 ~1988
15550763311015278 ~1987
155508191555081919 ~1989
15550823311016478 ~1987
15551099311021998 ~1987
15551171311023438 ~1987
15551363311027278 ~1987
15551579311031598 ~1987
15551639311032798 ~1987
15551891311037838 ~1987
15552143311042878 ~1987
15552437933146238 ~1988
155536212488579379 ~1989
15553633933217998 ~1988
15553823311076478 ~1987
15553859311077198 ~1987
15553931311078638 ~1987
155549532488792499 ~1989
15555203311104078 ~1987
15555251311105038 ~1987
15555311311106238 ~1987
15555563311111278 ~1987
15555863311117278 ~1987
15556091311121838 ~1987
Exponent Prime Factor Digits Year
15556511311130238 ~1987
15557831311156638 ~1987
15557999311159998 ~1987
15558479311169598 ~1987
15558503311170078 ~1987
15559079311181598 ~1987
15559559311191198 ~1987
15559633933577998 ~1988
15559763311195278 ~1987
15559931311198638 ~1987
15559991311199838 ~1987
15560773933646398 ~1988
15561251311225038 ~1987
15561251476174280710
15561431311228638 ~1987
15561599311231998 ~1987
15561671311233438 ~1987
15561761933705678 ~1988
155618273734838499 ~1990
15561839311236798 ~1987
15561863311237278 ~1987
15562523311250478 ~1987
15563047261459189710 ~1992
15563573933814398 ~1988
15563843311276878 ~1987
1274
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25-07-08