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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
21699071433981438 ~1988
216994993905909839 ~1991
21700043434000878 ~1988
21700103434002078 ~1988
21700379434007598 ~1988
21700979434019598 ~1988
21701243434024878 ~1988
217014973472239539 ~1990
21701651434033038 ~1988
217022571736180579 ~1990
21702419434048398 ~1988
21702491434049838 ~1988
217029771302178639 ~1989
21703631434072638 ~1988
21704411434088238 ~1988
217044673472714739 ~1990
21705083434101678 ~1988
21706259434125198 ~1988
217063371302380239 ~1989
21706523434130478 ~1988
21706571434131438 ~1988
21706823434136478 ~1988
21708539434170798 ~1988
21708623434172478 ~1988
217090272170902719 ~1990
Exponent Prime Factor Digits Year
21709763434195278 ~1988
21709931434198638 ~1988
21710159434203198 ~1988
217101596947250899
217105032813681188911 ~1995
21710519434210398 ~1988
21711083434221678 ~1988
21712319434246398 ~1988
21713603434272078 ~1988
21713639195422751110 ~1992
217138971737111779 ~1990
217140673908532079 ~1991
21714851434297038 ~1988
217152971302917839 ~1989
217153611737228899 ~1990
217158531302951199 ~1989
21715931434318638 ~1988
21717119434342398 ~1988
21717191434343838 ~1988
21717383434347678 ~1988
21717539434350798 ~1988
21717791434355838 ~1988
21718439434368798 ~1988
21718583434371678 ~1988
21718751434375038 ~1988
Exponent Prime Factor Digits Year
21718943434378878 ~1988
21719051434381038 ~1988
21719339434386798 ~1988
21719459434389198 ~1988
21720131434402638 ~1988
21720431434408638 ~1988
21720499104258395310 ~1992
21720563434411278 ~1988
21720899434417998 ~1988
21720911434418238 ~1988
217212011303272079 ~1989
217212535213100739 ~1991
21721559434431198 ~1988
217219011303314079 ~1989
217219071737752579 ~1990
217221673475546739 ~1990
21722699434453998 ~1988
21723323434466478 ~1988
217236411303418479 ~1989
21723959434479198 ~1988
217243795213850979 ~1991
21724751434495038 ~1988
21724931434498638 ~1988
21725111434502238 ~1988
217251494779532799 ~1991
Exponent Prime Factor Digits Year
21725279434505598 ~1988
21725519434510398 ~1988
21725579434511598 ~1988
21725783434515678 ~1988
21726143434522878 ~1988
21726251434525038 ~1988
217263111738104899 ~1990
21726599434531998 ~1988
217266131303596799 ~1989
21726791434535838 ~1988
217269771303618639 ~1989
21727091434541838 ~1988
217276616952851539 ~1991
217282698691307619 ~1991
217286771303720639 ~1989
21728891434577838 ~1988
21729971434599438 ~1988
217300016953600339 ~1991
21730283434605678 ~1988
21730391434607838 ~1988
21730463434609278 ~1988
21730739434614798 ~1988
217307693042307679 ~1990
21731123434622478 ~1988
21731243434624878 ~1988
1486
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25-06-08