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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
228067813649084979 ~1991
22807019456140398 ~1988
228076331368457999 ~1990
22808003456160078 ~1988
22808063456161278 ~1988
228082733193158239 ~1991
22808459456169198 ~1988
228085011368510079 ~1990
22809719456194398 ~1988
22809827109487169710 ~1992
22809959456199198 ~1988
228099591824796739
22810751456215038 ~1988
228108971368653839 ~1990
228110176843305119 ~1991
22811291456225838 ~1988
22811387127743767310 ~1992
22811531456230638 ~1988
228115971368695839 ~1990
22812071456241438 ~1988
22812539456250798 ~1988
22812899456257998 ~1988
228136011368816079 ~1990
228136735475281539 ~1991
228138011368828079 ~1990
Exponent Prime Factor Digits Year
228139371368836239 ~1990
228146571368879439 ~1990
22814783456295678 ~1988
22814843456296878 ~1988
228149335475583939 ~1991
22815263456305278 ~1988
22815619146019961710 ~1992
22815959456319198 ~1988
22815983456319678 ~1988
22816019456320398 ~1988
228166994107005839 ~1991
22816751456335038 ~1988
228167691825341539 ~1990
22817159456343198 ~1988
22817183456343678 ~1988
228172733194418239 ~1991
228174371369046239 ~1990
22819619456392398 ~1988
22819991456399838 ~1988
22820279456405598 ~1988
22820351456407038 ~1988
228207975476991299 ~1991
22820951456419038 ~1988
22821203456424078 ~1988
22822223456444478 ~1988
Exponent Prime Factor Digits Year
22822259456445198 ~1988
228223671825789379 ~1990
22822643456452878 ~1988
22822799456455998 ~1988
22822991456459838 ~1988
22823459456469198 ~1988
22823519456470398 ~1988
22823711456474238 ~1988
228237291825898339 ~1990
228238131369428799 ~1990
22824239456484798 ~1988
22824311456486238 ~1988
22824731456494638 ~1988
228250371369502239 ~1990
228255475478131299 ~1991
228256671826053379 ~1990
22825739456514798 ~1988
22825937292171993710 ~1993
22826159456523198 ~1988
22826579456531598 ~1988
22826759456535198 ~1988
22826939456538798 ~1988
22827443456548878 ~1988
22827619351545332710 ~1993
228276531369659199 ~1990
Exponent Prime Factor Digits Year
22827803456556078 ~1988
22827839456556798 ~1988
22828391456567838 ~1988
22828499456569998 ~1988
22828763456575278 ~1988
22828919456578398 ~1988
228289611826316899 ~1990
22829819456596398 ~1988
22830011114150055110 ~1992
22830383456607678 ~1988
22830491456609838 ~1988
22830623456612478 ~1988
228307071826456579 ~1990
22831199456623998 ~1988
228312435479498339 ~1991
228313735479529539 ~1991
22831463456629278 ~1988
22831619456632398 ~1988
22833263456665278 ~1988
228336611370019679 ~1990
22833823219204700910 ~1993
228341693196783679 ~1991
22834271456685438 ~1988
228343671826749379 ~1990
228352573653641139 ~1991
1582
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26-01-11