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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
27764334278355528668556712 ~2020
2776862373437830...93072714 2023
27769496083155538992166312 ~2020
27769664498355539328996712 ~2020
2777141164993110...04788914 2024
27772705003155545410006312 ~2020
27776587652355553175304712 ~2020
27776630366355553260732712 ~2020
2777729035635977...46757715 2025
27778206437955556412875912 ~2020
27782099924355564199848712 ~2020
2778514916937057...89002314 2025
27788024840355576049680712 ~2020
27788629217955577258435912 ~2020
2778873767473167...94915914 2024
27789409009155578818018312 ~2020
27791685302355583370604712 ~2020
27792953329155585906658312 ~2020
27796245553155592491106312 ~2020
2780082642291039...82164715 2025
27804358094355608716188712 ~2020
2780987657537508...75331114 2023
2781120384831785...70608715 2023
27815899019955631798039912 ~2020
27815967817155631935634312 ~2020
Exponent Prime Factor Dig. Year
27817659368355635318736712 ~2020
2781766516937788...47404114 2025
27818150102355636300204712 ~2020
27819231149955638462299912 ~2020
27819434912355638869824712 ~2020
27823350731955646701463912 ~2020
2782416607799404...34330314 2025
27824721695955649443391912 ~2020
27825106243155650212486312 ~2020
27825876815955651753631912 ~2020
27826766093955653532187912 ~2020
27826993865955653987731912 ~2020
27827162072355654324144712 ~2020
27832136384355664272768712 ~2020
27833430698355666861396712 ~2020
2783374920893061...12979114 2024
2783618303392894...35525714 2024
27836504261955673008523912 ~2020
27836683721955673367443912 ~2020
27837088783155674177566312 ~2020
27837370067955674740135912 ~2020
27840092629155680185258312 ~2020
27842356670355684713340712 ~2020
2784240828832411...77667915 2025
27843860869155687721738312 ~2020
Exponent Prime Factor Dig. Year
2784484781411999...30523915 2025
2784578701394511...96251914 2024
27846880093155693760186312 ~2020
2785235250536851...16303914 2025
27855242519955710485039912 ~2020
27857380669155714761338312 ~2020
2786064970631537...37877715 2025
27860697509955721395019912 ~2020
27862211624355724423248712 ~2020
27862543640355725087280712 ~2020
27863207900355726415800712 ~2020
27870182033955740364067912 ~2020
27870398311155740796622312 ~2020
27871058803155742117606312 ~2020
27872189228355744378456712 ~2020
27877072379955754144759912 ~2020
27879106871955758213743912 ~2020
2787950175737137...49868914 2025
2788445908398309...07002314 2025
27884666672355769333344712 ~2020
27887430673155774861346312 ~2020
27887830297155775660594312 ~2020
27891335123955782670247912 ~2020
27891613429155783226858312 ~2020
27896305823955792611647912 ~2020
Exponent Prime Factor Dig. Year
27896470027155792940054312 ~2020
2789946068899151...05959314 2025
27902453210355804906420712 ~2020
27902632555155805265110312 ~2020
2790316930813515...32820714 2024
2790862513991618...58114314 2024
27909190253955818380507912 ~2020
27910041601155820083202312 ~2020
27910863835155821727670312 ~2020
27911638079955823276159912 ~2020
27913277953155826555906312 ~2020
27915311252355830622504712 ~2020
27917665969155835331938312 ~2020
2791803350871340...08417714 2024
2791842264917817...41748114 2025
27919433180355838866360712 ~2020
27920364353955840728707912 ~2020
27922567553955845135107912 ~2020
27923746082355847492164712 ~2020
2792505456976702...96728114 2025
27925572146355851144292712 ~2020
2792589557694244...27688914 2024
27926596898355853193796712 ~2020
27927841229955855682459912 ~2020
2792988799011564...27445714 2024
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26-03-08