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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 Dig. Year
19906233325139812466650312 ~2019
19908140015939816280031912 ~2019
19908403979939816807959912 ~2019
1990885208932197...06587315 2025
19910115986339820231972712 ~2019
19910707849139821415698312 ~2019
19912084283939824168567912 ~2019
19914192367139828384734312 ~2019
19915261781939830523563912 ~2019
19915571591939831143183912 ~2019
1991719008171115...45752115 2025
19918411549139836823098312 ~2019
19919921105939839842211912 ~2019
19920120709139840241418312 ~2019
19920367658339840735316712 ~2019
19922164412339844328824712 ~2019
19922524945139845049890312 ~2019
19924408913939848817827912 ~2019
19924655269139849310538312 ~2019
19925147299139850294598312 ~2019
1992536228714303...54013714 2024
19926816511139853633022312 ~2019
19927387226339854774452712 ~2019
19927566698339855133396712 ~2019
19928721584339857443168712 ~2019
Exponent Prime Factor Dig. Year
19930200428339860400856712 ~2019
19933451881139866903762312 ~2019
1993551240492870...86305714 2024
19937190613139874381226312 ~2019
19940737976339881475952712 ~2019
19942913953139885827906312 ~2019
19944545393939889090787912 ~2019
19945093453139890186906312 ~2019
19945378295939890756591912 ~2019
1994661938772581...87683915 2023
19946842201139893684402312 ~2019
19947075710339894151420712 ~2019
19947270865139894541730312 ~2019
19947580021139895160042312 ~2019
19948763359139897526718312 ~2019
19949196019139898392038312 ~2019
19951614140339903228280712 ~2019
19954413671939908827343912 ~2019
19955981851139911963702312 ~2019
19959173681939918347363912 ~2019
19959255695939918511391912 ~2019
19960494836339920989672712 ~2019
19960855327139921710654312 ~2019
19960996883939921993767912 ~2019
1996358473797546...30926314 2025
Exponent Prime Factor Dig. Year
19965533539139931067078312 ~2019
19967443105139934886210312 ~2019
19969334288339938668576712 ~2019
19970081204339940162408712 ~2019
1997064987011557...89867914 2024
19971166069139942332138312 ~2019
19971809611139943619222312 ~2019
19971819001139943638002312 ~2019
1997392407312596...29503114 2024
19976633360339953266720712 ~2019
19976671076339953342152712 ~2019
19979085884339958171768712 ~2019
19979681359139959362718312 ~2019
19980756632339961513264712 ~2019
19980784135139961568270312 ~2019
19982573816339965147632712 ~2019
19983264077939966528155912 ~2019
1998384159794196...35559114 2025
19985554376339971108752712 ~2019
19987103779139974207558312 ~2019
19989287495939978574991912 ~2019
19992850771139985701542312 ~2019
1999407483491355...38062315 2024
19994478853139988957706312 ~2019
19995416221139990832442312 ~2019
Exponent Prime Factor Dig. Year
1999694606993359...39743314 2024
19997789435939995578871912 ~2019
19998008537939996017075912 ~2019
20000911004340001822008712 ~2019
2000121079071074...46059116 2023
20002458083940004916167912 ~2019
20005783778340011567556712 ~2019
20006048755140012097510312 ~2019
20014365973140028731946312 ~2019
20018407577940036815155912 ~2019
2002202189031601...51224114 2024
20022273313140044546626312 ~2019
20022275858340044551716712 ~2019
20022561691140045123382312 ~2019
2002473004991281...31936115 2025
2002595645874365...07996714 2023
20026853045940053706091912 ~2019
20027920079940055840159912 ~2019
20028159014340056318028712 ~2019
20030258857140060517714312 ~2019
20030309569140060619138312 ~2019
20031050551140062101102312 ~2019
20031081008340062162016712 ~2019
20033097853140066195706312 ~2019
2003819763133005...44695114 2024
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25-06-01