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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.
Exp. Prime Factor Digits Year
9477821758225698 ~1987
9477911758232898 ~1987
9478211189564238 ~1986
9478439758275138 ~1987
9478457758276578 ~1987
9478559189571198 ~1986
94785974549726579 ~1989
9478883189577678 ~1986
94789911706218399 ~1988
9479287947928718 ~1987
9479819189596398 ~1986
9479843189596878 ~1986
9480181568810878 ~1987
9480277568816638 ~1987
9480329758426338 ~1987
9480397568823838 ~1987
9480479189609598 ~1986
94804793033753299
9480517568831038 ~1987
9480539189610798 ~1986
9480641758451298 ~1987
9480923189618478 ~1986
9481061568863678 ~1987
9481217758497378 ~1987
9481331189626638 ~1986
Exp. Prime Factor Digits Year
94814871706667679 ~1988
9481523189630478 ~1986
9481603948160318 ~1987
9481673568900398 ~1987
9481711948171118 ~1987
94817111517073779
9481963948196318 ~1987
94819915309914979 ~1989
94821132086064879 ~1988
9482353568941198 ~1987
9482381568942878 ~1987
9482411189648238 ~1986
9482717568963038 ~1987
9482777568966638 ~1987
9482783189655678 ~1986
94830371517285939 ~1988
9483863189677278 ~1986
9484451758756098 ~1987
9484523189690478 ~1986
9484597569075838 ~1987
9484823189696478 ~1986
9484883189697678 ~1986
9485041569102478 ~1987
9485111189702238 ~1986
9485129758810338 ~1987
Exp. Prime Factor Digits Year
9485159189703198 ~1986
9485261758820898 ~1987
9485279189705598 ~1986
9485341569120478 ~1987
9485501569130078 ~1987
9485513569130798 ~1987
9485537758842978 ~1987
9485713569142798 ~1987
9485803948580318 ~1987
94859335881278479 ~1989
9486481569188878 ~1987
94864871707567679 ~1988
94864971328109599 ~1988
9486671758933698 ~1987
9486977569218638 ~1987
9486989758959138 ~1987
9487001569220078 ~1987
9487319189746398 ~1986
9487781569266878 ~1987
9488093569285598 ~1987
94880935123570239
9488471189769438 ~1986
9488579189771598 ~1986
9488621759089698 ~1987
9488639189772798 ~1986
Exp. Prime Factor Digits Year
9488779948877918 ~1987
9488819189776398 ~1986
9488957569337438 ~1987
9489167759133378 ~1987
9489461759156898 ~1987
9489881569392878 ~1987
9489917569395038 ~1987
9491093569465598 ~1987
9491147759291778 ~1987
9491483189829678 ~1986
9491597569495838 ~1987
9491711189834238 ~1986
9491819189836398 ~1986
9492089759367138 ~1987
9492181569530878 ~1987
9492221569533278 ~1987
9492697569561838 ~1987
9492779189855598 ~1986
9492863189857278 ~1986
9492971189859438 ~1986
9493441569606478 ~1987
9493499189869998 ~1986
9493607759488578 ~1987
9493619189872398 ~1986
9493873180383587110 ~1990
1048
GIMPS The Prime Pages FactorDb.com
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26-07-19