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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
389813857233888314310 ~1999
3898241397796482799 ~1998
3898278717796557439 ~1998
3898319997796639999 ~1998
389834899389834899110 ~2000
389847509311878007310 ~2000
3898519917797039839 ~1998
389853221233911932710 ~1999
389861491623778385710 ~2000
389871197311896957710 ~2000
3898731117797462239 ~1998
389885051311908040910 ~2000
389893261233935956710 ~1999
389898911311919128910 ~2000
3899040717798081439 ~1998
3899186637798373279 ~1998
3899380197798760399 ~1998
3899441517798883039 ~1998
389946107311956885710 ~2000
3899467437798934879 ~1998
389952401233971440710 ~1999
3899543997799087999 ~1998
3899577837799155679 ~1998
38995809127141083133712 ~2004
3899633037799266079 ~1998
Exponent Prime Factor Digits Year
3899686797799373599 ~1998
3899858637799717279 ~1998
3899876517799753039 ~1998
389999759311999807310 ~2000
3900053037800106079 ~1998
3900112437800224879 ~1998
3900519717801039439 ~1998
3900629997801259999 ~1998
3900670437801340879 ~1998
3900808917801617839 ~1998
390086551390086551110 ~2000
3900921231950460615111 ~2002
390107077234064246310 ~1999
3901242717802485439 ~1998
390128617234077170310 ~1999
390130483390130483110 ~2000
390132991390132991110 ~2000
3901358276866390555311 ~2003
3901437237802874479 ~1998
3901440117802880239 ~1998
3901552317803104639 ~1998
3901593837803187679 ~1998
3901731837803463679 ~1998
3901876917803753839 ~1998
3901923597803847199 ~1998
Exponent Prime Factor Digits Year
390201457234120874310 ~1999
3902324997804649999 ~1998
3902454837804909679 ~1998
390248249936595797710 ~2001
3902503317805006639 ~1998
390254219312203375310 ~2000
390259841234155904710 ~1999
3902722797805445599 ~1998
390276947702498504710 ~2000
3902775237805550479 ~1998
3902828037805656079 ~1998
390292711702526879910 ~2000
3903140637806281279 ~1998
3903196917806393839 ~1998
3903323037806646079 ~1998
3903333717806667439 ~1998
390353297234211978310 ~1999
390355829546498160710 ~2000
390361561234216936710 ~1999
3903641517807283039 ~1998
390370217234222130310 ~1999
390381997234229198310 ~1999
3903933597807867199 ~1998
390402017312321613710 ~2000
3904073517808147039 ~1998
Exponent Prime Factor Digits Year
390407741312326192910 ~2000
390434777312347821710 ~2000
390435841234261504710 ~1999
390459137234275482310 ~1999
3904666197809332399 ~1998
3904717437809434879 ~1998
3904788597809577199 ~1998
3904826831561930732111 ~2001
3904864437809728879 ~1998
390492517234295510310 ~1999
3904957797809915599 ~1998
3904959717809919439 ~1998
3904983717809967439 ~1998
3905034237810068479 ~1998
3905074797810149599 ~1998
3905121837810243679 ~1998
3905136717810273439 ~1998
390518281234310968710 ~1999
3905217837810435679 ~1998
3905267397810534799 ~1998
3905271717810543439 ~1998
3905437437810874879 ~1998
390553441624885505710 ~2000
3905547117811094239 ~1998
3905550837811101679 ~1998
3276
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25-11-02