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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.
Exp. Prime Factor Digits Year
6169441370166478 ~1985
6169463123389278 ~1984
61695071480681699 ~1987
6169591616959118 ~1986
6169679123393598 ~1984
6169811123396238 ~1984
6169931123398638 ~1984
6169937370196238 ~1985
6170051123401038 ~1984
6170357493628578 ~1985
6170501493640098 ~1985
6170561370233678 ~1985
61705612344813199
6170579493646338 ~1985
6170653370239198 ~1985
6170911617091118 ~1986
6171001370260078 ~1985
6171073370264398 ~1985
61711491481075779 ~1987
6171271617127118 ~1986
6171377370282638 ~1985
6171397987423538 ~1986
6171491123429838 ~1984
6171491493719298
6171719123434398 ~1984
Exp. Prime Factor Digits Year
6171749493739938 ~1985
6172541493803298 ~1985
6172571123451438 ~1984
6172861370371678 ~1985
6172931123458638 ~1984
6173243123464878 ~1984
6173417493873378 ~1985
6173483123469678 ~1984
6173677987788338 ~1986
6173753370425198 ~1985
6173861493908898 ~1985
61738911111300399 ~1986
61743071111375279 ~1986
6174697370481838 ~1985
6174703617470318 ~1986
6175157370509438 ~1985
6175217370513038 ~1985
6175271123505438 ~1984
61753031482072739 ~1987
6175391123507838 ~1984
6175397370523838 ~1985
6175439123508798 ~1984
6175979123519598 ~1984
6175991494079298 ~1985
61762315558607919 ~1988
Exp. Prime Factor Digits Year
61765611852968319 ~1987
6176591123531838 ~1984
6176837370610238 ~1985
6177263123545278 ~1984
6177533370651998 ~1985
6177533864854638
6177599123551998 ~1984
6177617370657038 ~1985
61779377413524419 ~1988
6178339617833918 ~1986
61783991482815779 ~1987
61784333830628479 ~1988
6178639617863918 ~1986
6178691494295298 ~1986
6178937370736238 ~1985
6179021123580420110 ~1989
6179113370746798 ~1985
6179197370751838 ~1985
6179399123587998 ~1984
6179417865118398 ~1986
6179779159438298310 ~1989
6179861370791678 ~1985
6179903123598078 ~1984
6180001370800078 ~1985
6180521370831278 ~1985
Exp. Prime Factor Digits Year
6180599123611998 ~1984
6180617122376216710 ~1989
6180731123614638 ~1984
6180737370844238 ~1985
6180737494458978
6180751618075118 ~1986
6180773865308238 ~1986
6181079123621598 ~1984
6181271494501698 ~1986
6181361494508898 ~1986
6181391123627838 ~1984
6181391174315226310
6181739123634798 ~1984
61819371483664899 ~1987
6181943123638878 ~1984
6182243123644878 ~1984
61824591112842639 ~1986
6182537494602978 ~1986
6182783123655678 ~1984
6183011123660238 ~1984
6183011494640898
6183217370993038 ~1985
6183361989337778 ~1986
61833715565033919 ~1988
6183431123668638 ~1984
789
GIMPS The Prime Pages FactorDb.com
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25-11-02