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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
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
16862831337256638 ~1987
168630471349043779 ~1989
16863179337263598 ~1987
16863191337263838 ~1987
16863251337265038 ~1987
Exponent Prime Factor Digits Year
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
16869731337394638 ~1987
16870019337400398 ~1987
16870559337411198 ~1987
16871423337428478 ~1987
16871483337429678 ~1987
Exponent Prime Factor Digits Year
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
16875731337514638 ~1987
16875763162007324910 ~1992
168760011012560079 ~1989
168762011012572079 ~1989
168762713037728799 ~1990
16876283337525678 ~1987
Exponent Prime Factor Digits Year
16876523337530478 ~1987
16877279337545598 ~1987
16877351337547038 ~1987
16877831337556638 ~1987
168779211012675279 ~1989
16878143337562878 ~1987
16878371337567438 ~1987
16879211337584238 ~1987
168792591350340739 ~1989
16879403337588078 ~1987
168794411012766479 ~1989
16879451337589038 ~1987
16879931337598638 ~1987
16880351337607038 ~1987
16880471337609438 ~1987
168807611012845679 ~1989
168810771012864639 ~1989
168814191350513539 ~1989
16882091337641838 ~1987
16882331337646638 ~1987
16882571337651438 ~1987
16882919337658398 ~1987
16882979337659598 ~1987
16883291337665838 ~1987
168833931013003599 ~1989
1303
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25-04-13