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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
1219355363243871072710 ~2002
1219355699243871139910 ~2002
1219381571243876314310 ~2002
12193996031951039364911 ~2004
1219442579243888515910 ~2002
1219451351243890270310 ~2002
1219463603243892720710 ~2002
1219484879243896975910 ~2002
1219557533731734519910 ~2003
1219566217731739730310 ~2003
1219583831243916766310 ~2002
1219610033731766019910 ~2003
12196128712195303167911 ~2004
1219621919243924383910 ~2002
1219659383243931876710 ~2002
1219665143243933028710 ~2002
1219791623243958324710 ~2002
1219824563243964912710 ~2002
1219870117731922070310 ~2003
1219877003243975400710 ~2002
1219889063243977812710 ~2002
1219897277731938366310 ~2003
1219917791243983558310 ~2002
1220081711244016342310 ~2002
1220101391976081112910 ~2003
Exponent Prime Factor Digits Year
1220150663244030132710 ~2002
1220167379244033475910 ~2002
1220174177732104506310 ~2003
1220230691244046138310 ~2002
1220277257732166354310 ~2003
1220277419244055483910 ~2002
12203022432928725383311 ~2005
1220346311244069262310 ~2002
1220368991244073798310 ~2002
1220374619244074923910 ~2002
1220386319244077263910 ~2002
1220401163244080232710 ~2002
1220411603244082320710 ~2002
1220417279244083455910 ~2002
1220427011244085402310 ~2002
1220434031244086806310 ~2002
1220495321732297192710 ~2003
1220523779244104755910 ~2002
1220540879244108175910 ~2002
1220602979244120595910 ~2002
12206737211953077953711 ~2004
1220688779244137755910 ~2002
1220701271244140254310 ~2002
1220731103244146220710 ~2002
1220746451244149290310 ~2002
Exponent Prime Factor Digits Year
1220766433732459859910 ~2003
1220787413732472447910 ~2003
1220824439244164887910 ~2002
1220833871244166774310 ~2002
1220841959244168391910 ~2002
1220859779244171955910 ~2002
1220880197976704157710 ~2003
1220892611244178522310 ~2002
1220933039244186607910 ~2002
1220952203244190440710 ~2002
1220956559244191311910 ~2002
1220964863244192972710 ~2002
1220997191244199438310 ~2002
1221005777732603466310 ~2003
1221010079244202015910 ~2002
1221041831244208366310 ~2002
1221054083244210816710 ~2002
1221087971244217594310 ~2002
1221134039244226807910 ~2002
1221135299244227059910 ~2002
1221150503244230100710 ~2002
12211661831221166183111 ~2004
1221170123244234024710 ~2002
1221241403244248280710 ~2002
1221273083244254616710 ~2002
Exponent Prime Factor Digits Year
1221294803244258960710 ~2002
1221355517977084413710 ~2003
1221394847977115877710 ~2003
1221434111244286822310 ~2002
1221452423244290484710 ~2002
1221522083244304416710 ~2002
1221549911244309982310 ~2002
1221571139244314227910 ~2002
1221572591244314518310 ~2002
1221586979244317395910 ~2002
1221587651244317530310 ~2002
1221618371244323674310 ~2002
12216351671954616267311 ~2004
1221636551244327310310 ~2002
1221656231244331246310 ~2002
1221713819244342763910 ~2002
1221734729977387783310 ~2003
1221810413733086247910 ~2003
1221812243244362448710 ~2002
1221838109977470487310 ~2003
12218792591221879259111 ~2004
1221919943244383988710 ~2002
1221944519244388903910 ~2002
1221952703244390540710 ~2002
1221966659244393331910 ~2002
3538
GIMPS The Prime Pages FactorDb.com
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25-04-13