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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
22755983455119678 ~1988
22756031455120638 ~1988
22756631455132638 ~1988
227567871820542979 ~1990
22757099455141998 ~1988
22757159455143198 ~1988
22757681177509911910 ~1992
22758863455177278 ~1988
227592672275926719 ~1990
227594331365565999 ~1990
22759559455191198 ~1988
22759619455192398 ~1988
22759871455197438 ~1988
22760183455203678 ~1988
227605674096902079 ~1991
227606691820853539 ~1990
22760891455217838 ~1988
22760999455219998 ~1988
22761227150224098310 ~1992
227613313641812979 ~1991
22761443455228878 ~1988
22761803455236078 ~1988
22762079455241598 ~1988
227621991820975939 ~1990
22762763455255278 ~1988
Exponent Prime Factor Digits Year
22763423455268478 ~1988
22763483455269678 ~1988
22763711455274238 ~1988
22763759455275198 ~1988
22764611455292238 ~1988
22764671455293438 ~1988
22765019455300398 ~1988
227652171365913039 ~1990
22765271455305438 ~1988
22765679455313598 ~1988
22765751455315038 ~1988
227662731365976399 ~1990
22766819455336398 ~1988
22767323455346478 ~1988
22767863455357278 ~1988
22767911455358238 ~1988
22767971455359438 ~1988
22768211455364238 ~1988
22769399455387998 ~1988
227695071821560579 ~1990
22769819455396398 ~1988
227698911821591299 ~1990
22770239455404798 ~1988
22770269163945936910 ~1992
22770311455406238 ~1988
Exponent Prime Factor Digits Year
22770323455406478 ~1988
22770479455409598 ~1988
227706411366238479 ~1990
22771103455422078 ~1988
22771739455434798 ~1988
227722931366337599 ~1990
22772591455451838 ~1988
22772759455455198 ~1988
227740435465770339 ~1991
22774571455491438 ~1988
22774603368948568710 ~1993
227750411366502479 ~1990
22775999455519998 ~1988
22776431455528638 ~1988
22777289141219191910 ~1992
22777511455550238 ~1988
22778039455560798 ~1988
22778243455564878 ~1988
227787531366725199 ~1990
22778771455575438 ~1988
22778999455579998 ~1988
22779359455587198 ~1988
22780151455603038 ~1988
22780679455613598 ~1988
227808731366852399 ~1990
Exponent Prime Factor Digits Year
22781471455629438 ~1988
22781483455629678 ~1988
22781519455630398 ~1988
22782251455645038 ~1988
22782359455647198 ~1988
22782503455650078 ~1988
227826074100869279 ~1991
22782899455657998 ~1988
227832192278321919 ~1990
227833671822669379 ~1990
22783613141258400710 ~1992
22784159455683198 ~1988
22784263186830956710 ~1992
227843571822748579 ~1990
22784423455688478 ~1988
22784759455695198 ~1988
22784831455696638 ~1988
22785443455708878 ~1988
22785863455717278 ~1988
22786079455721598 ~1988
227864811822918499 ~1990
22786691455733838 ~1988
227869273645908339 ~1991
22787711455754238 ~1988
227879931367279599 ~1990
1505
GIMPS The Prime Pages FactorDb.com
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25-04-13