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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
17945255855935890511711912 ~2019
17948542448335897084896712 ~2019
17950131305935900262611912 ~2019
17950535429935901070859912 ~2019
1795132396132405...10814314 2024
17954892893935909785787912 ~2019
17955334145935910668291912 ~2019
1795592187772025...78045715 2025
17957283473935914566947912 ~2019
17959612331935919224663912 ~2019
17960068904335920137808712 ~2019
17961225241135922450482312 ~2019
17963941045135927882090312 ~2019
17964549776335929099552712 ~2019
17971104755935942209511912 ~2019
17971442615935942885231912 ~2019
17973328880335946657760712 ~2019
17973520345135947040690312 ~2019
17974184425135948368850312 ~2019
17975361671935950723343912 ~2019
17976826298335953652596712 ~2019
17979781015135959562030312 ~2019
17979942950335959885900712 ~2019
1798003123312481...10167914 2024
17980917125935961834251912 ~2019
Exponent Prime Factor Dig. Year
17980952429935961904859912 ~2019
1798333641972445...53079314 2024
1798344551096294...28815114 2024
1798433738634783...44755914 2023
17984677685935969355371912 ~2019
17984681039935969362079912 ~2019
17984875315135969750630312 ~2019
17985091921135970183842312 ~2019
17986369682335972739364712 ~2019
17986995164335973990328712 ~2019
17988112777135976225554312 ~2019
17990198407135980396814312 ~2019
17990317823935980635647912 ~2019
17990895005935981790011912 ~2019
17993775938335987551876712 ~2019
17995000487935990000975912 ~2019
17995943539135991887078312 ~2019
17996347951135992695902312 ~2019
17996368856335992737712712 ~2019
17996378645935992757291912 ~2019
17998053908335996107816712 ~2019
17998206485935996412971912 ~2019
17998930529935997861059912 ~2019
18000725077136001450154312 ~2019
18000860615936001721231912 ~2019
Exponent Prime Factor Dig. Year
18001190069936002380139912 ~2019
18002272382336004544764712 ~2019
18002557985936005115971912 ~2019
18003505961936007011923912 ~2019
18004105309136008210618312 ~2019
18004422925136008845850312 ~2019
1800769441615618...57823314 2024
18010171532336020343064712 ~2019
18011063564336022127128712 ~2019
18011225150336022450300712 ~2019
18011231981936022463963912 ~2019
18011756198336023512396712 ~2019
18012645925136025291850312 ~2019
18012897110336025794220712 ~2019
18013315940336026631880712 ~2019
18013750573136027501146312 ~2019
18014324021936028648043912 ~2019
18014612354336029224708712 ~2019
18018405548336036811096712 ~2019
18018518011136037036022312 ~2019
18018918935936037837871912 ~2019
18022254716336044509432712 ~2019
1802271756311730...86057714 2025
18024799919936049599839912 ~2019
18025610959136051221918312 ~2019
Exponent Prime Factor Dig. Year
18026510167136053020334312 ~2019
18027045197936054090395912 ~2019
18028070876336056141752712 ~2019
18031616837936063233675912 ~2019
18033087368336066174736712 ~2019
18033363008336066726016712 ~2019
18033681827936067363655912 ~2019
18034874582336069749164712 ~2019
18035272073936070544147912 ~2019
18035560511936071121023912 ~2019
18036770893136073541786312 ~2019
18038507237936077014475912 ~2019
18039160147136078320294312 ~2019
18042502136336085004272712 ~2019
18044472428336088944856712 ~2019
18044888743136089777486312 ~2019
18046098752336092197504712 ~2019
18046625747936093251495912 ~2019
18047669933936095339867912 ~2019
18048287192336096574384712 ~2019
18049063135136098126270312 ~2019
1805044997174620...92755314 2024
18050956741136101913482312 ~2019
18051657200336103314400712 ~2019
18055671295136111342590312 ~2019
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25-09-07