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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 Digits Year
168493032695888499 ~1990
16849331336986638 ~1987
168493811010962879 ~1989
16849403336988078 ~1987
16849583336991678 ~1987
168495971010975839 ~1989
16850219337004398 ~1987
168503332359046639 ~1989
16851251337025038 ~1987
16851431337028638 ~1987
16851599337031998 ~1987
16851623337032478 ~1987
168517811011106879 ~1989
16852079337041598 ~1987
16852331337046638 ~1987
168523971348191779 ~1989
168524772696396339 ~1990
16852679337053598 ~1987
168528411011170479 ~1989
16852919337058398 ~1987
16853363337067278 ~1987
16853423337068478 ~1987
16853591337071838 ~1987
168547491348379939 ~1989
16854899337097998 ~1987
Exponent Prime Factor Digits Year
16855199337103998 ~1987
168554273033976879 ~1990
168555072696881139 ~1990
16855523337110478 ~1987
168555615056668319 ~1990
16855963107878163310 ~1991
16856303337126078 ~1987
168565011011390079 ~1989
16857023337140478 ~1987
16857371337147438 ~1987
168574332697189299 ~1990
16857779337155598 ~1987
16858151337163038 ~1987
16858811337176238 ~1987
16860359337207198 ~1987
16860479337209598 ~1987
16860611337212238 ~1987
16860743337214878 ~1987
168607494046579779 ~1990
16860911337218238 ~1987
16861259337225198 ~1987
16861451337229038 ~1987
168616611011699679 ~1989
16861811337236238 ~1987
16862099337241998 ~1987
Exponent Prime Factor Digits Year
16862831337256638 ~1987
168630471349043779 ~1989
16863179337263598 ~1987
16863191337263838 ~1987
16863251337265038 ~1987
168637991686379919 ~1989
16864049121421152910 ~1991
16864103337282078 ~1987
168641571011849439 ~1989
16864223337284478 ~1987
168646131011876799 ~1989
168650411011902479 ~1989
16865171337303438 ~1987
168655931011935599 ~1989
168657415059722319 ~1990
16866203337324078 ~1987
16866491337329838 ~1987
168671211012027279 ~1989
16867271337345438 ~1987
168674571012047439 ~1989
168675611012053679 ~1989
16867979337359598 ~1987
168681971012091839 ~1989
168686991349495939 ~1989
16869659337393198 ~1987
Exponent Prime Factor Digits Year
16869731337394638 ~1987
16870019337400398 ~1987
16870559337411198 ~1987
168710331012261999 ~1989
16871423337428478 ~1987
16871483337429678 ~1987
168719274386701039 ~1990
168719471687194719 ~1989
16872071337441438 ~1987
16872263337445278 ~1987
16872419337448398 ~1987
16872431337448638 ~1987
16872623337452478 ~1987
16872659337453198 ~1987
16872923337458478 ~1987
16873019337460398 ~1987
16873379337467598 ~1987
16873523337470478 ~1987
168737211349897699 ~1989
168738971012433839 ~1989
16873991337479838 ~1987
168745678437283519 ~1991
168746811012480879 ~1989
168751131012506799 ~1989
16875539337510798 ~1987
1308
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25-05-04