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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
42646031852920638 ~1991
426460332558761999 ~1992
426463612558781679 ~1992
42646823852936478 ~1991
426500572559003439 ~1992
426505816824092979 ~1993
42650963853019278 ~1991
42652391853047838 ~1991
42655391853107838 ~1991
42656039853120798 ~1991
426561773412494179 ~1992
42656291853125838 ~1991
426563572559381439 ~1992
426586212559517279 ~1992
42660911853218238 ~1991
42661207102386896910 ~1993
42661691853233838 ~1991
426616913412935299
42663851853277038 ~1991
42663899853277998 ~1991
42663983853279678 ~1991
426653212559919279 ~1992
426653332559919999 ~1992
426659476826551539 ~1993
426669012560014079 ~1992
Exponent Prime Factor Digits Year
42667991853359838 ~1991
42668123853362478 ~1991
42668891853377838 ~1991
42669551853391038 ~1991
42673283853465678 ~1991
426771713414173699 ~1992
42678071853561438 ~1991
42678323853566478 ~1991
42679739853594798 ~1991
42680471853609438 ~1991
42680903853618078 ~1991
426811613414492899 ~1992
42681623853632478 ~1991
426832932560997599 ~1992
42683639853672798 ~1991
42685333128055999110 ~1993
426865913414927299 ~1992
42687083853741678 ~1991
42687479853749598 ~1991
426877099391295999 ~1993
426880212561281279 ~1992
42688199853763998 ~1991
42688463853769278 ~1991
42689051853781038 ~1991
426899873415198979 ~1992
Exponent Prime Factor Digits Year
42690971853819438 ~1991
426918773415350179 ~1992
426934913415479299 ~1992
426942139392726879 ~1993
42698459853969198 ~1991
42699071853981438 ~1991
42699851853997038 ~1991
42700631854012638 ~1991
427009012562054079 ~1992
427019993416159939 ~1992
42702083854041678 ~1991
42702479854049598 ~1991
427025093416200739 ~1992
42702791307460095310 ~1994
42703499854069998 ~1991
42704423854088478 ~1991
42706211854124238 ~1991
42706511854130238 ~1991
427082932562497599 ~1992
42708983854179678 ~1991
42710351854207038 ~1991
42710399854207998 ~1991
42711703102508087310 ~1993
42713399854267998 ~1991
42713591854271838 ~1991
Exponent Prime Factor Digits Year
427145412562872479 ~1992
427153972562923839 ~1992
42715511854310238 ~1991
427182713417461699 ~1992
427190572563143439 ~1992
427191772563150639 ~1992
42719783854395678 ~1991
42720539854410798 ~1991
42720599854411998 ~1991
42722629299058403110 ~1994
42722651854453038 ~1991
42726311854526238 ~1991
42727259854545198 ~1991
42727319854546398 ~1991
42728051854561038 ~1991
427294372563766239 ~1992
427295932563775599 ~1992
42729971854599438 ~1991
42730091854601838 ~1991
42730199854603998 ~1991
42730223854604478 ~1991
42730663102553591310 ~1993
42730703854614078 ~1991
42730739854614798 ~1991
42731831854636638 ~1991
1956
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25-05-04