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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
26387843527756878 ~1989
26388023527760478 ~1989
263881211583287279 ~1990
263888232638882319 ~1991
26390459527809198 ~1989
26390999527819998 ~1989
26391383527827678 ~1989
26391671527833438 ~1989
26391719527834398 ~1989
26391983527839678 ~1989
26392139527842798 ~1989
26392319527846398 ~1989
26392979527859598 ~1989
26394551527891038 ~1989
26394983527899678 ~1989
263963531583781199 ~1990
26396879527937598 ~1989
26396963527939278 ~1989
263970371583822239 ~1990
263977392639773919 ~1991
263980512639805119 ~1991
26398199527963998 ~1989
26398979527979598 ~1989
26399339527986798 ~1989
26399819527996398 ~1989
Exponent Prime Factor Digits Year
26399843527996878 ~1989
26400383528007678 ~1989
26400551528011038 ~1989
26400791110883322310 ~1992
26400971528019438 ~1989
26402063528041278 ~1989
26403059528061198 ~1989
26403263528065278 ~1989
26404463528089278 ~1989
26404571528091438 ~1989
264046131584276799 ~1990
26404739528094798 ~1989
26404979528099598 ~1989
26405363528107278 ~1989
264059592640595919 ~1991
26406119528122398 ~1989
264064372112514979 ~1990
26406563528131278 ~1989
26406623528132478 ~1989
26407079528141598 ~1989
26407163528143278 ~1989
26407343528146878 ~1989
264094731584568399 ~1990
26409683528193678 ~1989
264099611584597679 ~1990
Exponent Prime Factor Digits Year
26410259528205198 ~1989
26410283528205678 ~1989
26410991528219838 ~1989
26411711528234238 ~1989
26412443528248878 ~1989
264125872113006979 ~1990
264126771584760639 ~1990
264131171584787039 ~1990
26413151528263038 ~1989
264137211584823279 ~1990
26413811528276238 ~1989
264144734226315699 ~1991
26414939528298798 ~1989
264152411584914479 ~1990
26416163528323278 ~1989
26416343528326878 ~1989
26416823528336478 ~1989
26416919528338398 ~1989
264175373698455199 ~1991
26417939528358798 ~1989
26418611528372238 ~1989
264192792641927919 ~1991
26419643528392878 ~1989
264196436340714339
26419859528397198 ~1989
Exponent Prime Factor Digits Year
26420519528410398 ~1989
26420879528417598 ~1989
26421299528425998 ~1989
26421803528436078 ~1989
26422031528440638 ~1989
26422499528449998 ~1989
26423231528464638 ~1989
264238972113911779 ~1990
264243533699409439 ~1991
26424683528493678 ~1989
26425331528506638 ~1989
26425439528508798 ~1989
26425571528511438 ~1989
26425739528514798 ~1989
26425799528515998 ~1989
26426051528521038 ~1989
26426579528531598 ~1989
26426759528535198 ~1989
26426791105707164110 ~1992
264270172114161379 ~1990
26427179528543598 ~1989
26427311528546238 ~1989
26427419528548398 ~1989
26428163528563278 ~1989
26428511528570238 ~1989
1564
GIMPS The Prime Pages FactorDb.com
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24-10-27