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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
13371913802314798 ~1988
13371971267439438 ~1987
13372043267440878 ~1987
13372559267451198 ~1987
13372571267451438 ~1987
13372631267452638 ~1987
133727471337274719 ~1988
13373231267464638 ~1987
13373233802393998 ~1988
13373303267466078 ~1987
13373351267467038 ~1987
13373411267468238 ~1987
133735671069885379 ~1988
13373593802415598 ~1988
13373939267478798 ~1987
133746171069969379 ~1988
13374913802494798 ~1988
13374923267498478 ~1987
13375091267501838 ~1987
133753031337530319 ~1988
13375403267508078 ~1987
13375441802526478 ~1988
133754691070037539 ~1988
13375559267511198 ~1987
133756311070050499 ~1988
Exponent Prime Factor Digits Year
133761893210285379 ~1989
133764171070113379 ~1988
133771311070170499 ~1988
13377157802629438 ~1988
13377251267545038 ~1987
13377431267548638 ~1987
133774311070194499
133774912407948399 ~1989
13377503267550078 ~1987
13377839267556798 ~1987
13377863267557278 ~1987
133779531872913439 ~1989
13378511267570238 ~1987
133795633211095139 ~1989
13379651267593038 ~1987
13379711267594238 ~1987
13379963267599278 ~1987
13380023267600478 ~1987
13380239267604798 ~1987
13380599267611998 ~1987
133810332140965299 ~1989
133810374014311119 ~1990
133810791070486339 ~1988
13381783128465116910 ~1991
13381859267637198 ~1987
Exponent Prime Factor Digits Year
13382003267640078 ~1987
13382401802944078 ~1988
133827415085441599 ~1990
13382951267659038 ~1987
13383037802982238 ~1988
13383371267667438 ~1987
13383431267668638 ~1987
13383563267671278 ~1987
133836471070691779 ~1988
13384313803058798 ~1988
13384439267688798 ~1987
13384741803084478 ~1988
13384993803099598 ~1988
13385219267704398 ~1987
13385423267708478 ~1987
13385677803140638 ~1988
13386143267722878 ~1987
133862571070900579 ~1988
133865391070923139 ~1988
13387079267741598 ~1987
13387553803253198 ~1988
13387859267757198 ~1987
13389011267780238 ~1987
133891373213392899 ~1989
13389437803366238 ~1988
Exponent Prime Factor Digits Year
13389533803371998 ~1988
13390631267812638 ~1987
13390691267813838 ~1987
133909212142547379 ~1989
13391123267822478 ~1987
133911793213882979 ~1989
13391293803477598 ~1988
133914012142624179 ~1989
13392059267841198 ~1987
13392143267842878 ~1987
13392191267843838 ~1987
13392443267848878 ~1987
13392551267851038 ~1987
13392677803560638 ~1988
133930872410755679 ~1989
13393283267865678 ~1987
13393631267872638 ~1987
13394063267881278 ~1987
13394159267883198 ~1987
13394321803659278 ~1988
13394651267893038 ~1987
13394939267898798 ~1987
13395553353642599310 ~1992
13395659267913198 ~1987
133959891071679139 ~1988
1240
GIMPS The Prime Pages FactorDb.com
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26-03-08