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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
21030455881142060911762312 ~2019
21031559120342063118240712 ~2019
21031987904342063975808712 ~2019
21033385409942066770819912 ~2019
21035966551142071933102312 ~2019
21036571291142073142582312 ~2019
2103670478111804...02183915 2024
2103763739034922...49330314 2023
21038153381942076306763912 ~2019
21039066677942078133355912 ~2019
2103927482832735...27679114 2024
21042523991942085047983912 ~2019
21043300193942086600387912 ~2019
21045604643942091209287912 ~2019
2104576561091515...23984914 2024
21048684865142097369730312 ~2019
21049067593142098135186312 ~2019
21049197155942098394311912 ~2019
21050163589142100327178312 ~2019
21051944779142103889558312 ~2019
21052950001142105900002312 ~2019
21053981450342107962900712 ~2019
21054021031142108042062312 ~2019
21055551296342111102592712 ~2019
21057376826342114753652712 ~2019
Exponent Prime Factor Dig. Year
21057764357942115528715912 ~2019
21059354329142118708658312 ~2019
21060566009942121132019912 ~2019
21062113699142124227398312 ~2019
21065260463942130520927912 ~2019
21066016718342132033436712 ~2019
21067356224342134712448712 ~2019
21067746554342135493108712 ~2019
21069673085942139346171912 ~2019
21072452899142144905798312 ~2019
21075961789142151923578312 ~2019
21076986391142153972782312 ~2019
2107748977372478...73871315 2025
21078900014342157800028712 ~2019
2108040341271167...90635915 2023
21081428363942162856727912 ~2019
21083065748342166131496712 ~2019
21083182867142166365734312 ~2019
2108356803117126...94511914 2026
21084367939142168735878312 ~2019
2108459120474933...41899914 2026
21085237885142170475770312 ~2019
21085703810342171407620712 ~2019
21086998255142173996510312 ~2019
21087557669942175115339912 ~2019
Exponent Prime Factor Dig. Year
2108775265396958...75787114 2025
21087990817142175981634312 ~2019
21088861046342177722092712 ~2019
21089237312342178474624712 ~2019
21092130488342184260976712 ~2019
21092538125942185076251912 ~2019
2109286816091451...94699315 2025
21093281387942186562775912 ~2019
21093388334342186776668712 ~2019
21095023865942190047731912 ~2019
21095518855142191037710312 ~2019
21096577867142193155734312 ~2019
21097927490342195854980712 ~2019
2110115846214684...78586314 2023
21101212931942202425863912 ~2019
21103427276342206854552712 ~2020
21103530775142207061550312 ~2020
21106020697142212041394312 ~2020
21106176995942212353991912 ~2020
21106350061142212700122312 ~2020
21106503769142213007538312 ~2020
21107514725942215029451912 ~2020
21107915798342215831596712 ~2020
21109556639942219113279912 ~2020
21112304641142224609282312 ~2020
Exponent Prime Factor Dig. Year
21112870655942225741311912 ~2020
21113608849142227217698312 ~2020
21113944811942227889623912 ~2020
21114032953142228065906312 ~2020
21114353432342228706864712 ~2020
21114616100342229232200712 ~2020
21115200446342230400892712 ~2020
21116029729142232059458312 ~2020
21116815247942233630495912 ~2020
21118105393142236210786312 ~2020
21121006754342242013508712 ~2020
2112203939212703...42188914 2024
21123730280342247460560712 ~2020
21123869879942247739759912 ~2020
21124708382342249416764712 ~2020
2112653204637478...44390314 2023
21127091803142254183606312 ~2020
21128233022342256466044712 ~2020
21130549123142261098246312 ~2020
2113096431377607...52932114 2025
2113190210831407...04127915 2026
21134125484342268250968712 ~2020
2113429914491648...33302314 2024
21134677115942269354231912 ~2020
21135321974342270643948712 ~2020
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