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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
155175017138050479 ~1990
15517979310359598 ~1987
155180211241441699 ~1989
15518039310360798 ~1987
155182036517645279 ~1990
155184117448837299 ~1991
15518423310368478 ~1987
155185213414074639 ~1990
15518579310371598 ~1987
15518819310376398 ~1987
15518831310376638 ~1987
15518843310376878 ~1987
15518999310379998 ~1987
15519083310381678 ~1987
15519863310397278 ~1987
15521183310423678 ~1987
15521197931271838 ~1988
15521783310435678 ~1987
15522323310446478 ~1987
15522371310447438 ~1987
15522863310457278 ~1987
15522911310458238 ~1987
15523661931419678 ~1988
15523751310475038 ~1987
155239332483829299 ~1989
Exponent Prime Factor Digits Year
155239733725753539 ~1990
15524039310480798 ~1987
15524783310495678 ~1987
15524921931495278 ~1988
15525221931513278 ~1988
15525491310509838 ~1987
155256111242048899 ~1989
15526463310529278 ~1987
15526811310536238 ~1987
15526859310537198 ~1987
15527051310541038 ~1987
15527423310548478 ~1987
155279899937912979 ~1991
15527989173913476910
15528119310562398 ~1987
15528761931725678 ~1988
15528959310579198 ~1987
15529013931740798 ~1988
15529271310585438 ~1987
15529511310590238 ~1987
15529883310597678 ~1987
15529931310598638 ~1987
15530111310602238 ~1987
15530423310608478 ~1987
15530591310611838 ~1987
Exponent Prime Factor Digits Year
15531011310620238 ~1987
15531311310626238 ~1987
15531419310628398 ~1987
155322012485152179 ~1989
15532631310652638 ~1987
15532799310655998 ~1987
15532873931972398 ~1988
15533519310670398 ~1987
15533663310673278 ~1987
15533891310677838 ~1987
15534791310695838 ~1987
155350671242805379 ~1989
15535211152245067910 ~1991
15535253932115198 ~1988
15535379310707598 ~1987
15535397195746002310 ~1992
15535417932125038 ~1988
15535451310709038 ~1987
15535463310709278 ~1987
15535931310718638 ~1987
15535979310719598 ~1987
15536399310727998 ~1987
155365671242925379 ~1989
15536723310734478 ~1987
155369471553694719 ~1989
Exponent Prime Factor Digits Year
15537013932220798 ~1988
15537059310741198 ~1987
15537239310744798 ~1987
15537419310748398 ~1987
15538031310760638 ~1987
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
15542441932546478 ~1988
15542603310852078 ~1987
155437011243496099 ~1989
1210
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24-10-27