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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
49825898172989553890311 ~2008
4982658251996531650310 ~2007
4982903903996580780710 ~2007
4983154439996630887910 ~2007
4983161819996632363910 ~2007
4983179231996635846310 ~2007
4983335543996667108710 ~2007
4983517439996703487910 ~2007
4983643319996728663910 ~2007
49836610932990196655911 ~2008
4983734963996746992710 ~2007
4983924443996784888710 ~2007
4983955523996791104710 ~2007
4984123211996824642310 ~2007
49842744677974839147311 ~2009
4984301351996860270310 ~2007
4984409819996881963910 ~2007
49847579172990854750311 ~2008
4984960691996992138310 ~2007
49849635798972934442311 ~2009
4985248811997049762310 ~2007
49852578612991154716711 ~2008
4985310983997062196710 ~2007
49854030012991241800711 ~2008
4985848139997169627910 ~2007
Exponent Prime Factor Digits Year
49858961412991537684711 ~2008
4985905679997181135910 ~2007
49859689372991581362311 ~2008
4986215879997243175910 ~2007
49863180413989054432911 ~2008
4986566219997313243910 ~2007
4986637679997327535910 ~2007
49866788212992007292711 ~2008
4986710243997342048710 ~2007
49871282474987128247111 ~2008
498716336914961490107112 ~2010
49872314213989785136911 ~2008
498729362911969504709712 ~2009
49875637972992538278311 ~2008
4987652963997530592710 ~2007
4987668671997533734310 ~2007
49876767617980282817711 ~2009
4987691363997538272710 ~2007
49878062813990245024911 ~2008
4987888439997577687910 ~2007
49880323812992819428711 ~2008
4988484023997696804710 ~2007
4988573963997714792710 ~2007
4988580911997716182310 ~2007
4988624243997724848710 ~2007
Exponent Prime Factor Digits Year
49886771936984148070311 ~2009
4988828783997765756710 ~2007
4989308651997861730310 ~2007
4989367739997873547910 ~2007
49895373172993722390311 ~2008
4989691799997938359910 ~2007
49898199434989819943111 ~2008
4989919331997983866310 ~2007
4990086611998017322310 ~2007
4990122971998024594310 ~2007
4990345271998069054310 ~2007
499048051310979057128712 ~2009
4990722059998144411910 ~2007
499072420971866428609712 ~2011
4990780979998156195910 ~2007
49908782936987229610311 ~2009
49909331772994559906311 ~2008
4991246411998249282310 ~2007
49912760772994765646311 ~2008
49914332532994859951911 ~2008
4991484383998296876710 ~2007
49921384613993710768911 ~2008
499241760123963604484912 ~2010
4992473663998494732710 ~2007
4992705251998541050310 ~2007
Exponent Prime Factor Digits Year
4992749579998549915910 ~2007
4993155659998631131910 ~2007
4993213691998642738310 ~2007
4993345499998669099910 ~2007
4993404239998680847910 ~2007
49934463896990824944711 ~2009
49934468474993446847111 ~2008
4993796939998759387910 ~2007
49939945634993994563111 ~2008
49941868612996512116711 ~2008
4994292503998858500710 ~2007
49943419932996605195911 ~2008
4994381531998876306310 ~2007
4994419739998883947910 ~2007
4994428031998885606310 ~2007
4994487863998897572710 ~2007
4994771531998954306310 ~2007
4994935619998987123910 ~2007
4995061583999012316710 ~2007
4995340463999068092710 ~2007
4995374183999074836710 ~2007
4995669491999133898310 ~2007
49956835994995683599111 ~2008
4995724319999144863910 ~2007
4995753683999150736710 ~2007
4614
GIMPS The Prime Pages FactorDb.com
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26-05-03