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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 Dig. Year
820007909311480110730312 ~2011
82002996318200299631111 ~2010
82004260431640085208711 ~2008
82006327431640126548711 ~2008
82006494231640129884711 ~2008
82007411814920444708711 ~2010
82008167031640163340711 ~2008
82009242111640184842311 ~2008
82016525414920991524711 ~2010
82016984934921019095911 ~2010
82017822711640356454311 ~2008
82024567076561965365711 ~2010
82026573116562125848911 ~2010
82028551791640571035911 ~2008
82036438911640728778311 ~2008
82038432231640768644711 ~2008
820431664918049496627912 ~2011
82044810111640896202311 ~2008
82046486031640929720711 ~2008
82046658014922799480711 ~2010
82048745391640974907911 ~2008
82051251014923075060711 ~2010
82056307496564504599311 ~2010
82062430911641248618311 ~2008
82076074814924564488711 ~2010
Exponent Prime Factor Dig. Year
820773013724623190411112 ~2011
82077802791641556055911 ~2008
82080076374924804582311 ~2010
82081054431641621088711 ~2008
82081241631641624832711 ~2008
82083164696566653175311 ~2010
82089333111641786662311 ~2008
82090915911641818318311 ~2008
82090990518209099051111 ~2010
82091887911641837758311 ~2008
82096419831641928396711 ~2008
82100686376568054909711 ~2010
82101242391642024847911 ~2008
82102383591642047671911 ~2008
82110152511642203050311 ~2008
82110193191642203863911 ~2008
821163166313138610660912 ~2011
82120236231642404724711 ~2008
82125797214927547832711 ~2010
821297891326281532521712 ~2011
82134132831642682656711 ~2008
82140510711642810214311 ~2008
82143309614928598576711 ~2010
82146792111642935842311 ~2008
82147885791642957715911 ~2008
Exponent Prime Factor Dig. Year
82151626191643032523911 ~2008
82153266776572261341711 ~2010
82160419431643208388711 ~2008
82160555096572844407311 ~2010
82162184631643243692711 ~2008
82164255231643285104711 ~2008
82165309791643306195911 ~2008
821737933352591227731312 ~2012
82176172791643523455911 ~2008
82176354111643527082311 ~2008
821765479165741238328112 ~2012
82179615374930776922311 ~2010
82186938591643738771911 ~2008
821870718754243467434312 ~2012
82187468391643749367911 ~2008
82188394014931303640711 ~2010
82193708991643874179911 ~2008
82198798791643975975911 ~2008
82199824316575985944911 ~2010
82201288311644025766311 ~2008
82202872911644057458311 ~2008
82204039911644080798311 ~2008
82204243431644084868711 ~2008
82209649311644192986311 ~2008
82214581016577166480911 ~2010
Exponent Prime Factor Dig. Year
82215372831644307456711 ~2008
82218213831644364276711 ~2008
82218253431644365068711 ~2008
82222587711644451754311 ~2008
82222772631644455452711 ~2008
82223714574933422874311 ~2010
82229403111644588062311 ~2008
82236119991644722399911 ~2008
82237289391644745787911 ~2008
82238223111644764462311 ~2008
82238968398223896839111 ~2010
82241636391644832727911 ~2008
82246153614934769216711 ~2010
82251253974935075238311 ~2010
822515881932900635276112 ~2012
82259154591645183091911 ~2008
82261111974935666718311 ~2010
82262216696580977335311 ~2010
822666890965813351272112 ~2012
82267562574936053754311 ~2010
82270095231645401904711 ~2008
82270170831645403416711 ~2008
82270523031645410460711 ~2008
82274000031645480000711 ~2008
82277779791645555595911 ~2008
4421
GIMPS The Prime Pages FactorDb.com
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25-09-07