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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
20995419535141990839070312 ~2019
20995589504341991179008712 ~2019
20999560850341999121700712 ~2019
2100132898511713...51841715 2025
2100183794691663...53944915 2026
2100241520171848...37749714 2024
2100266231937182...13200714 2025
21004113715142008227430312 ~2019
21004456873142008913746312 ~2019
21005533241942011066483912 ~2019
2100735680992184...08229714 2024
21008470393142016940786312 ~2019
21013425401942026850803912 ~2019
2101375351379372...67110314 2026
21014415043142028830086312 ~2019
21015059219942030118439912 ~2019
21015286277942030572555912 ~2019
21016282553942032565107912 ~2019
21016916828342033833656712 ~2019
21016936166342033872332712 ~2019
21018155375942036310751912 ~2019
21018517868342037035736712 ~2019
21019451929142038903858312 ~2019
21019898411942039796823912 ~2019
21021467132342042934264712 ~2019
Exponent Prime Factor Dig. Year
21023120318342046240636712 ~2019
21023915294342047830588712 ~2019
2102481807118956...98288714 2023
21025289519942050579039912 ~2019
2102722138572771...86352715 2025
21027385193942054770387912 ~2019
21028642904342057285808712 ~2019
21029547923942059095847912 ~2019
21030385658342060771316712 ~2019
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
2104576561091515...23984914 2024
21048684865142097369730312 ~2019
21049197155942098394311912 ~2019
Exponent Prime Factor Dig. Year
21050163589142100327178312 ~2019
21051944779142103889558312 ~2019
21052950001142105900002312 ~2019
21053981450342107962900712 ~2019
21054021031142108042062312 ~2019
21055551296342111102592712 ~2019
21057376826342114753652712 ~2019
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
Exponent Prime Factor Dig. Year
2108356803117126...94511914 2026
21084367939142168735878312 ~2019
2108459120474933...41899914 2026
21085237885142170475770312 ~2019
21085703810342171407620712 ~2019
21086998255142173996510312 ~2019
21087557669942175115339912 ~2019
2108775265396958...75787114 2025
21087990817142175981634312 ~2019
21088861046342177722092712 ~2019
21089237312342178474624712 ~2019
21092130488342184260976712 ~2019
21092538125942185076251912 ~2019
2109286816091451...94699315 2025
21093388334342186776668712 ~2019
21095023865942190047731912 ~2019
21095518855142191037710312 ~2019
21096577867142193155734312 ~2019
21097927490342195854980712 ~2019
2110115846214684...78586314 2023
21101212931942202425863912 ~2019
21103427276342206854552712 ~2019
21103530775142207061550312 ~2019
21106020697142212041394312 ~2019
21106176995942212353991912 ~2019
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26-04-05