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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
4973875943994775188710 ~2007
497417985711938031656912 ~2009
49742514412984550864711 ~2008
4974616943994923388710 ~2007
49746549773979723981711 ~2008
4974739739994947947910 ~2007
4974975059994995011910 ~2007
49750655093980052407311 ~2008
4975095491995019098310 ~2007
49751311976965183675911 ~2009
4975529831995105966310 ~2007
4975911359995182271910 ~2007
4976108183995221636710 ~2007
4976166791995233358310 ~2007
49761807173980944573711 ~2008
49766201332985972079911 ~2008
49770134093981610727311 ~2008
497704702910949503463912 ~2009
4977182051995436410310 ~2007
49772628473981810277711 ~2008
49773387413981870992911 ~2008
4977405431995481086310 ~2007
4977455039995491007910 ~2007
4977684623995536924710 ~2007
4977799523995559904710 ~2007
Exponent Prime Factor Digits Year
49784038212987042292711 ~2008
4978556171995711234310 ~2007
4979152163995830432710 ~2007
49792134412987528064711 ~2008
4979239799995847959910 ~2007
4979320883995864176710 ~2007
4979514983995902996710 ~2007
49795945277967351243311 ~2009
4979606063995921212710 ~2007
4979623823995924764710 ~2007
4979642663995928532710 ~2007
4979660099995932019910 ~2007
498028155711952675736912 ~2009
4980766163996153232710 ~2007
4980935639996187127910 ~2007
4981019663996203932710 ~2007
4981096931996219386310 ~2007
4981278671996255734310 ~2007
4981925891996385178310 ~2007
49821252713985700216911 ~2008
4982383979996476795910 ~2007
49825376393986030111311 ~2008
4982658251996531650310 ~2007
4982903903996580780710 ~2007
4983154439996630887910 ~2007
Exponent Prime Factor Digits Year
4983161819996632363910 ~2007
4983179231996635846310 ~2007
4983335543996667108710 ~2007
4983517439996703487910 ~2007
4983643319996728663910 ~2007
49836610932990196655911 ~2008
4983734963996746992710 ~2007
4983955523996791104710 ~2007
4984123211996824642310 ~2007
49842744677974839147311 ~2009
4984301351996860270310 ~2007
4984409819996881963910 ~2007
49847579172990854750311 ~2008
49849635798972934442311 ~2009
4985248811997049762310 ~2007
4985310983997062196710 ~2007
49854030012991241800711 ~2008
49858961412991537684711 ~2008
4985905679997181135910 ~2007
49859689372991581362311 ~2008
4986215879997243175910 ~2007
49863180413989054432911 ~2008
4986566219997313243910 ~2007
4986637679997327535910 ~2007
49866788212992007292711 ~2008
Exponent Prime Factor Digits Year
49871282474987128247111 ~2008
49872314213989785136911 ~2008
498729362911969504709712 ~2009
4987652963997530592710 ~2007
49876767617980282817711 ~2009
4987691363997538272710 ~2007
49878062813990245024911 ~2008
4987888439997577687910 ~2007
49880323812992819428711 ~2008
4988573963997714792710 ~2007
4988580911997716182310 ~2007
4988624243997724848710 ~2007
49886771936984148070311 ~2009
4988828783997765756710 ~2007
4989308651997861730310 ~2007
4989367739997873547910 ~2007
4989691799997938359910 ~2007
49898199434989819943111 ~2008
4989919331997983866310 ~2007
4990122971998024594310 ~2007
499048051310979057128712 ~2009
4990722059998144411910 ~2007
499072420971866428609712 ~2011
4990780979998156195910 ~2007
49908782936987229610311 ~2009
4067
GIMPS The Prime Pages FactorDb.com
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25-05-04