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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
407854411407854411110 ~2000
4078741798157483599 ~1998
407874329326299463310 ~2000
4078851718157703439 ~1998
407888807326311045710 ~2000
407898019734216434310 ~2001
4079002198158004399 ~1998
407901401244740840710 ~1999
4079035631386872114311 ~2001
407909729326327783310 ~2000
407910403978984967310 ~2001
4079170438158340879 ~1998
4079245918158491839 ~1998
407928559407928559110 ~2000
4079386918158773839 ~1998
4079480638158961279 ~1998
407957311407957311110 ~2000
4079688118159376239 ~1998
4079772598159545199 ~1998
4079833798159667599 ~1998
4080311638160623279 ~1998
4080340798160681599 ~1998
4080394798160789599 ~1998
408054061244832436710 ~1999
4080553918161107839 ~1998
Exponent Prime Factor Digits Year
4080559198161118399 ~1998
408070357244842214310 ~1999
408077441244846464710 ~1999
408079673571311542310 ~2000
4080848518161697039 ~1998
4080858238161716479 ~1998
4080925798161851599 ~1998
408108901244865340710 ~1999
4081100518162201039 ~1998
4081678918163357839 ~1998
4081734831306155145711 ~2001
4081790398163580799 ~1998
4081816438163632879 ~1998
4081978798163957599 ~1998
4082114398164228799 ~1998
4082375518164751039 ~1998
4082534518165069039 ~1998
4082714038165428079 ~1998
4082725318165450639 ~1998
408280967326624773710 ~2000
408303121244981872710 ~1999
4083181918166363839 ~1998
408333113244999867910 ~1999
4083338998166677999 ~1998
408346553245007931910 ~1999
Exponent Prime Factor Digits Year
4083470398166940799 ~1998
408353047408353047110 ~2000
4083548518167097039 ~1998
4083643318167286639 ~1998
4083680638167361279 ~1998
4083752398167504799 ~1998
4083800411225140123111 ~2001
4083926891633570756111 ~2001
408394121245036472710 ~1999
408401027980162464910 ~2001
408408941326727152910 ~2000
408413129326730503310 ~2000
4084279318168558639 ~1998
4084282318168564639 ~1998
4084345318168690639 ~1998
4084441198168882399 ~1998
4084452838168905679 ~1998
4084515238169030479 ~1998
4084758118169516239 ~1998
408482717245089630310 ~1999
408491597245094958310 ~1999
4085185318170370639 ~1998
4085194318170388639 ~1998
4085196598170393199 ~1998
408523399980456157710 ~2001
Exponent Prime Factor Digits Year
4085237518170475039 ~1998
4085329198170658399 ~1998
4085340238170680479 ~1998
4085362918170725839 ~1998
4085567638171135279 ~1998
4085658238171316479 ~1998
4085666638171333279 ~1998
4085764571961166993711 ~2002
4086021718172043439 ~1998
4086179398172358799 ~1998
408626081245175648710 ~1999
408628153245176891910 ~1999
4086528238173056479 ~1998
4086591598173183199 ~1998
4086640438173280879 ~1998
4086680638173361279 ~1998
4086773038173546079 ~1998
4086793918173587839 ~1998
408718181245230908710 ~1999
4087272838174545679 ~1998
4087332718174665439 ~1998
4087376038174752079 ~1998
4087573798175147599 ~1998
408760399408760399110 ~2000
4087654198175308399 ~1998
3104
GIMPS The Prime Pages FactorDb.com
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25-05-04