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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
1340830763268166152710 ~2002
1340836103268167220710 ~2002
1340895971268179194310 ~2002
1340938103268187620710 ~2002
13409520771072761661711 ~2004
13409886171072790893711 ~2004
1340991779268198355910 ~2002
1340999531268199906310 ~2002
1341001631268200326310 ~2002
1341054059268210811910 ~2002
1341077483268215496710 ~2002
1341106751268221350310 ~2002
1341117623268223524710 ~2002
1341153557804692134310 ~2003
1341167123268233424710 ~2002
1341231623268246324710 ~2002
1341266159268253231910 ~2002
1341276857804766114310 ~2003
1341283763268256752710 ~2002
13412844012146055041711 ~2005
13412913974023874191111 ~2005
1341305279268261055910 ~2002
1341322481804793488710 ~2003
13413845571073107645711 ~2004
134138858342119601506312 ~2008
Exponent Prime Factor Digits Year
1341411133804846679910 ~2003
1341457391268291478310 ~2002
1341489781804893868710 ~2003
1341538481804923088710 ~2003
1341544277804926566310 ~2003
13415574439659213589711 ~2006
1341557579268311515910 ~2002
1341584999268316999910 ~2002
1341653471268330694310 ~2002
1341750251268350050310 ~2002
13417561311073404904911 ~2004
13417573031341757303111 ~2004
1341763883268352776710 ~2002
1341767579268353515910 ~2002
13417748571073419885711 ~2004
1341784523268356904710 ~2002
1341793679268358735910 ~2002
1341831083268366216710 ~2002
1341837131268367426310 ~2002
1341843953805106371910 ~2003
1341914471268382894310 ~2002
1341941963268388392710 ~2002
1341983579268396715910 ~2002
13420198072415635652711 ~2005
1342116551268423310310 ~2002
Exponent Prime Factor Digits Year
1342118639268423727910 ~2002
13421563512147450161711 ~2005
13421822211073745776911 ~2004
1342219019268443803910 ~2002
1342223639268444727910 ~2002
1342284061805370436710 ~2003
13422946491073835719311 ~2004
1342300499268460099910 ~2002
134231721758793494104712 ~2008
1342335353805401211910 ~2003
1342397099268479419910 ~2002
1342472101805483260710 ~2003
13425128175370051268111 ~2005
1342580003268516000710 ~2002
13426036511342603651111 ~2004
1342616591268523318310 ~2002
1342621739268524347910 ~2002
1342657919268531583910 ~2002
1342669943268533988710 ~2002
1342701719268540343910 ~2002
13427118312148338929711 ~2005
13427163411074173072911 ~2004
1342716541805629924710 ~2003
1342724543268544908710 ~2002
134273088762571259334312 ~2008
Exponent Prime Factor Digits Year
1342747013805648207910 ~2003
1342780091268556018310 ~2002
1342854731268570946310 ~2002
1342864693805718815910 ~2003
1342899599268579919910 ~2002
1342912199268582439910 ~2002
1342929383268585876710 ~2002
1342939043268587808710 ~2002
1342968359268593671910 ~2002
1342984859268596971910 ~2002
13430018119669613039311 ~2006
1343014499268602899910 ~2002
1343037623268607524710 ~2002
1343100299268620059910 ~2002
1343125643268625128710 ~2002
1343169419268633883910 ~2002
1343207581805924548710 ~2003
1343238973805943383910 ~2003
1343311451268662290310 ~2002
13433360695104677062311 ~2005
1343425091268685018310 ~2002
1343434283268686856710 ~2002
1343447879268689575910 ~2002
1343575643268715128710 ~2002
13436258172149801307311 ~2005
3963
GIMPS The Prime Pages FactorDb.com
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26-02-08