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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
2677682966031499...60976914 2024
26777451893953554903787912 ~2020
2677810508511499...84765714 2024
26779404647953558809295912 ~2020
2678125971613802...79686314 2025
26783025737953566051475912 ~2020
26783711407153567422814312 ~2020
26784375059953568750119912 ~2020
26787335083153574670166312 ~2020
26788293419953576586839912 ~2020
26788390313953576780627912 ~2020
26792129263153584258526312 ~2020
26792499872353584999744712 ~2020
26793455989153586911978312 ~2020
26794968841153589937682312 ~2020
26797063441153594126882312 ~2020
26803866095953607732191912 ~2020
26805462283153610924566312 ~2020
2680584128337934...19856914 2025
26809309457953618618915912 ~2020
2681450367231984...71750314 2024
26815915094353631830188712 ~2020
26817816461953635632923912 ~2020
26818370999953636741999912 ~2020
26819177323153638354646312 ~2020
Exponent Prime Factor Dig. Year
26819745074353639490148712 ~2020
2682412791916920...03127914 2025
26825126977153650253954312 ~2020
26826984793153653969586312 ~2020
26827137776353654275552712 ~2020
2682716761071770...62306314 2024
26827700378353655400756712 ~2020
26828600005153657200010312 ~2020
26830457725153660915450312 ~2020
26831018678353662037356712 ~2020
26838443731153676887462312 ~2020
2683918260917514...30548114 2025
26839714369153679428738312 ~2020
26840071285153680142570312 ~2020
26841186197953682372395912 ~2020
26842586381953685172763912 ~2020
26842639195153685278390312 ~2020
26843065123153686130246312 ~2020
2684561319593275...09899914 2024
26850252149953700504299912 ~2020
26850406874353700813748712 ~2020
26852539016353705078032712 ~2020
26853476957953706953915912 ~2020
26854204322353708408644712 ~2020
26855108609953710217219912 ~2020
Exponent Prime Factor Dig. Year
26855111245153710222490312 ~2020
26855205509953710411019912 ~2020
26855670829153711341658312 ~2020
26855955755953711911511912 ~2020
26856901457953713802915912 ~2020
26857541633953715083267912 ~2020
26858293310353716586620712 ~2020
26858969269153717938538312 ~2020
26859877502353719755004712 ~2020
26861499695953722999391912 ~2020
26861982485953723964971912 ~2020
26862591125953725182251912 ~2020
26864673854353729347708712 ~2020
26865496903153730993806312 ~2020
26866748789953733497579912 ~2020
2686690605531692...14839115 2023
26867512021153735024042312 ~2020
26870684407153741368814312 ~2020
2687278181991488...28224715 2023
26873751179953747502359912 ~2020
2687392762071762...19179315 2024
26874448501153748897002312 ~2020
26879872817953759745635912 ~2020
26881525339153763050678312 ~2020
26882642921953765285843912 ~2020
Exponent Prime Factor Dig. Year
26883065053153766130106312 ~2020
26883228665953766457331912 ~2020
2688422811111935...23999314 2024
26885834285953771668571912 ~2020
26889881921953779763843912 ~2020
26890663645153781327290312 ~2020
26893129645153786259290312 ~2020
26894612071153789224142312 ~2020
26896310719153792621438312 ~2020
26897039609953794079219912 ~2020
26901493541953802987083912 ~2020
26901585128353803170256712 ~2020
26904239378353808478756712 ~2020
26904955993153809911986312 ~2020
26907266003953814532007912 ~2020
26915391259153830782518312 ~2020
26919461384353838922768712 ~2020
26923506649153847013298312 ~2020
26924066138353848132276712 ~2020
2692406857611098...79048915 2025
26924176081153848352162312 ~2020
26924761082353849522164712 ~2020
2692602636311254...85204715 2025
26926214282353852428564712 ~2020
26926480064353852960128712 ~2020
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