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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
1984977609412381...31292114 2024
19849855889939699711779912 ~2019
19851066535139702133070312 ~2019
19851165323939702330647912 ~2019
19851433829939702867659912 ~2019
19853744719139707489438312 ~2019
19853951585939707903171912 ~2019
1986026890032700...70440914 2024
19862455435139724910870312 ~2019
19862460878339724921756712 ~2019
19863091115939726182231912 ~2019
19865160503939730321007912 ~2019
19866525355139733050710312 ~2019
19868148427139736296854312 ~2019
19868210311139736420622312 ~2019
19871483060339742966120712 ~2019
19872115133939744230267912 ~2019
19872304952339744609904712 ~2019
19873254157139746508314312 ~2019
19875052166339750104332712 ~2019
19876449601139752899202312 ~2019
19880239469939760478939912 ~2019
1988424463394175...73119114 2023
19884267109139768534218312 ~2019
19884625103939769250207912 ~2019
Exponent Prime Factor Dig. Year
1988640993113500...47873714 2024
19887802897139775605794312 ~2019
19890201308339780402616712 ~2019
19892154851939784309703912 ~2019
19892395825139784791650312 ~2019
19893336625139786673250312 ~2019
19893482891939786965783912 ~2019
1989543088274496...79490314 2023
19895938229939791876459912 ~2019
19896463298339792926596712 ~2019
1989711100073342...48117714 2024
1989840069531432...50061714 2024
19901992255139803984510312 ~2019
19902268889939804537779912 ~2019
19903765147139807530294312 ~2019
19904335021139808670042312 ~2019
19904682287939809364575912 ~2019
19904835175139809670350312 ~2019
19904841290339809682580712 ~2019
19906233325139812466650312 ~2019
19908140015939816280031912 ~2019
19908403979939816807959912 ~2019
1990885208932197...06587315 2025
19910115986339820231972712 ~2019
19910707849139821415698312 ~2019
Exponent Prime Factor Dig. Year
19912084283939824168567912 ~2019
19914192367139828384734312 ~2019
19915261781939830523563912 ~2019
19915571591939831143183912 ~2019
19918411549139836823098312 ~2019
19919921105939839842211912 ~2019
19920367658339840735316712 ~2019
19922164412339844328824712 ~2019
19922524945139845049890312 ~2019
19924408913939848817827912 ~2019
19924655269139849310538312 ~2019
19925147299139850294598312 ~2019
1992536228714303...54013714 2024
19926816511139853633022312 ~2019
19927387226339854774452712 ~2019
19927566698339855133396712 ~2019
19928721584339857443168712 ~2019
19930200428339860400856712 ~2019
19933451881139866903762312 ~2019
1993551240492870...86305714 2024
19940737976339881475952712 ~2019
19942913953139885827906312 ~2019
19944545393939889090787912 ~2019
19945093453139890186906312 ~2019
19945378295939890756591912 ~2019
Exponent Prime Factor Dig. Year
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
19965533539139931067078312 ~2019
19967443105139934886210312 ~2019
19969334288339938668576712 ~2019
19970081204339940162408712 ~2019
1997064987011557...89867914 2024
19971166069139942332138312 ~2019
19971809611139943619222312 ~2019
19971819001139943638002312 ~2019
1997392407312596...29503114 2024
19976633360339953266720712 ~2019
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25-04-13