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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
22202047971332122878311 ~2005
222026153953730329243912 ~2009
22202652471776212197711 ~2005
2220416771444083354310 ~2004
2220443663444088732710 ~2004
22204831971776386557711 ~2005
22205635371776450829711 ~2005
2220754163444150832710 ~2004
2220761183444152236710 ~2004
2220773099444154619910 ~2004
2220884591444176918310 ~2004
2220933479444186695910 ~2004
222097228344863640116712 ~2009
2221189583444237916710 ~2004
22213826771332829606311 ~2005
22214403672221440367111 ~2006
2221440731444288146310 ~2004
22215085032221508503111 ~2006
2221517159444303431910 ~2004
2221544183444308836710 ~2004
22215680931332940855911 ~2005
22215855011332951300711 ~2005
2221622603444324520710 ~2004
2221631039444326207910 ~2004
22217390811777391264911 ~2005
Exponent Prime Factor Digits Year
2221816979444363395910 ~2004
22218365771333101946311 ~2005
22218386991777470959311 ~2005
22218492773110588987911 ~2006
2221857299444371459910 ~2004
2221880291444376058310 ~2004
22218809171333128550311 ~2005
2221976303444395260710 ~2004
2222098163444419632710 ~2004
2222136443444427288710 ~2004
2222199839444439967910 ~2004
22222588512222258851111 ~2006
22224287712222428771111 ~2006
22225302011333518120711 ~2005
2222536619444507323910 ~2004
2222763071444552614310 ~2004
2222822219444564443910 ~2004
2222980043444596008710 ~2004
2222986211444597242310 ~2004
2223018263444603652710 ~2004
2223087791444617558310 ~2004
2223147863444629572710 ~2004
2223283319444656663910 ~2004
2223284291444656858310 ~2004
2223304103444660820710 ~2004
Exponent Prime Factor Digits Year
22233373311778669864911 ~2005
2223511943444702388710 ~2004
2223546131444709226310 ~2004
22235481011334128860711 ~2005
2223631919444726383910 ~2004
2223707411444741482310 ~2004
2223718823444743764710 ~2004
2223765611444753122310 ~2004
2223776591444755318310 ~2004
2223789863444757972710 ~2004
22238186571334291194311 ~2005
22238695811334321748711 ~2005
2223889379444777875910 ~2004
22239390171334363410311 ~2005
2224054919444810983910 ~2004
2224227851444845570310 ~2004
2224255679444851135910 ~2004
2224312943444862588710 ~2004
2224342931444868586310 ~2004
22243808592224380859111 ~2006
2224398359444879671910 ~2004
2224411379444882275910 ~2004
2224515539444903107910 ~2004
22245199017118463683311 ~2007
2224581059444916211910 ~2004
Exponent Prime Factor Digits Year
2224627019444925403910 ~2004
2224633871444926774310 ~2004
2224645103444929020710 ~2004
2224680011444936002310 ~2004
2224733723444946744710 ~2004
2224798451444959690310 ~2004
2224858679444971735910 ~2004
2224886039444977207910 ~2004
22248965811334937948711 ~2005
22250458872225045887111 ~2006
2225057423445011484710 ~2004
2225164619445032923910 ~2004
2225172503445034500710 ~2004
22252809133560449460911 ~2006
2225330951445066190310 ~2004
22253422131335205327911 ~2005
2225439311445087862310 ~2004
2225503823445100764710 ~2004
22255500792225550079111 ~2006
22255568571335334114311 ~2005
2225600231445120046310 ~2004
2225620511445124102310 ~2004
2225637311445127462310 ~2004
2225797979445159595910 ~2004
2225917223445183444710 ~2004
3793
GIMPS The Prime Pages FactorDb.com
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25-05-04