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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
15644591312891838 ~1987
15644633938677998 ~1988
156452711564527119 ~1989
15645419312908398 ~1987
15645719312914398 ~1987
15646271312925438 ~1987
15646343312926878 ~1987
15646643312932878 ~1987
15646751312935038 ~1987
15647111312942238 ~1987
15647759312955198 ~1987
156479871251838979 ~1989
15648179312963598 ~1987
15648263312965278 ~1987
15648623312972478 ~1987
15649043312980878 ~1987
15649379312987598 ~1987
15649811312996238 ~1987
15650003313000078 ~1987
15650291313005838 ~1987
15650639313012798 ~1987
15650891313017838 ~1987
156510911565109119 ~1989
15651131313022638 ~1987
15651479313029598 ~1987
Exponent Prime Factor Digits Year
15651659313033198 ~1987
15651731313034638 ~1987
15652079313041598 ~1987
15652883313057678 ~1987
15652943313058878 ~1987
15653051313061038 ~1987
15653699313073998 ~1987
15653723313074478 ~1987
15654323313086478 ~1987
156544498453402479 ~1991
156547991565479919 ~1989
15655201939312078 ~1988
15655319313106398 ~1987
15655379313107598 ~1987
156558592818054639 ~1990
15656339313126798 ~1987
15656603313132078 ~1987
15657443313148878 ~1987
156578391252627139 ~1989
15657899313157998 ~1987
15657923313158478 ~1987
15658271313165438 ~1987
15658501939510078 ~1988
15658991313179838 ~1987
156590475324075999 ~1990
Exponent Prime Factor Digits Year
15659051313181038 ~1987
15659471313189438 ~1987
15659723313194478 ~1987
15659951313199038 ~1987
15660563313211278 ~1987
15660863313217278 ~1987
15661117939667038 ~1988
15661991313239838 ~1987
15662483313249678 ~1987
15662723313254478 ~1987
156631132192835839 ~1989
15663121939787278 ~1988
15663311313266238 ~1987
15663503313270078 ~1987
15663611313272238 ~1987
15663971313279438 ~1987
15664223313284478 ~1987
15664381939862878 ~1988
15664763313295278 ~1987
15664841939890478 ~1988
15664919313298398 ~1987
156651291253210339 ~1989
15665159313303198 ~1987
15665333939919998 ~1988
15665339313306798 ~1987
Exponent Prime Factor Digits Year
15665603313312078 ~1987
15665651313313038 ~1987
15665999313319998 ~1987
15666613939996798 ~1988
15667031313340638 ~1987
156671932193407039 ~1989
15667919313358398 ~1987
15668111313362238 ~1987
15668291313365838 ~1987
15668621940117278 ~1988
15668651313373038 ~1987
15668771313375438 ~1987
15669191313383838 ~1987
15669431313388638 ~1987
15669551313391038 ~1987
156697271566972719 ~1989
15669779313395598 ~1987
156699173760780099 ~1990
15670211313404238 ~1987
156710871253686979 ~1989
15671231313424638 ~1987
15671353940281198 ~1988
15671423313428478 ~1987
15671473940288398 ~1988
15671483313429678 ~1987
1271
GIMPS The Prime Pages FactorDb.com
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25-06-08