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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
3798695997597391999 ~1998
3798779517597559039 ~1998
3798802797597605599 ~1998
379881809911716341710 ~2001
379883453227930071910 ~1999
3799098117598196239 ~1998
3799106037598212079 ~1998
3799131011139739303111 ~2001
3799175637598351279 ~1998
379921147683858064710 ~2000
3799268891519707556111 ~2001
3799310997598621999 ~1998
379935847379935847110 ~2000
379949459303959567310 ~1999
3799544997599089999 ~1998
379961077911906584910 ~2001
3799765437599530879 ~1998
3799780197599560399 ~1998
3799841037599682079 ~1998
379984741227990844710 ~1999
3799946637599893279 ~1998
3799977717599955439 ~1998
380001487380001487110 ~2000
3800212317600424639 ~1998
3800356197600712399 ~1998
Exponent Prime Factor Digits Year
3800357517600715039 ~1998
3800386197600772399 ~1998
380062799684113038310 ~2000
3800718597601437199 ~1998
380082841228049704710 ~1999
3800888997601777999 ~1998
3800898837601797679 ~1998
3800922597601845199 ~1998
3800926317601852639 ~1998
380097181228058308710 ~1999
3800990037601980079 ~1998
3801004317602008639 ~1998
380102419380102419110 ~2000
3801186597602373199 ~1998
3801324717602649439 ~1998
380138401228083040710 ~1999
3801390597602781199 ~1998
3801454437602908879 ~1998
3801597771140479331111 ~2001
380162879304130303310 ~1999
3801690597603381199 ~1998
3801875517603751039 ~1998
3801927597603855199 ~1998
380201813228121087910 ~1999
3802068117604136239 ~1998
Exponent Prime Factor Digits Year
380208637912500728910 ~2001
3802140717604281439 ~1998
3802171917604343839 ~1998
3802192917604385839 ~1998
3802357317604714639 ~1998
380235887304188709710 ~1999
3802364037604728079 ~1998
3802401837604803679 ~1998
3802402197604804399 ~1998
380249267988648094310 ~2001
3802501197605002399 ~1998
380255959380255959110 ~2000
3802581117605162239 ~1998
3802581717605163439 ~1998
380258357228155014310 ~1999
3802631397605262799 ~1998
3802640637605281279 ~1998
380267711304214168910 ~1999
3802922997605845999 ~1998
3803064717606129439 ~1998
380330603988859567910 ~2001
380337701304270160910 ~1999
3803400117606800239 ~1998
3803411517606823039 ~1998
3803436117606872239 ~1998
Exponent Prime Factor Digits Year
3803530797607061599 ~1998
3803566437607132879 ~1998
3803604717607209439 ~1998
3803636997607273999 ~1998
380368141228220884710 ~1999
380375113228225067910 ~1999
380379557228227734310 ~1999
380386693608618708910 ~2000
3803885397607770799 ~1998
3803958117607916239 ~1998
3803979117607958239 ~1998
3803980197607960399 ~1998
3804078237608156479 ~1998
380420333228252199910 ~1999
3804626517609253039 ~1998
3804638517609277039 ~1998
3804829392739477160911 ~2002
3804852237609704479 ~1998
380496217228297730310 ~1999
380512877532718027910 ~2000
3805384197610768399 ~1998
3805394997610789999 ~1998
380543459304434767310 ~1999
3805511637611023279 ~1998
380554123380554123110 ~2000
3307
GIMPS The Prime Pages FactorDb.com
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25-12-14