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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
11771897941751778 ~1988
11772779235455598 ~1986
11772961706377678 ~1987
11773031235460638 ~1986
11773871235477438 ~1986
117739631177396319 ~1988
11773991235479838 ~1986
11774039235480798 ~1986
11774291235485838 ~1986
117742931883886899 ~1988
11774579235491598 ~1986
11774933706495998 ~1987
11775371235507438 ~1986
11776361706581678 ~1987
11776517706591038 ~1987
11776643235532878 ~1986
11776859942148738 ~1988
11777201706632078 ~1987
11777723235554478 ~1986
117781971648947599 ~1988
11778479235569598 ~1986
11778491235569838 ~1986
117784912120128399
11778493706709598 ~1987
11778587942286978 ~1988
Exponent Prime Factor Digits Year
117786312120153599 ~1989
11778659942292738 ~1988
11778731235574638 ~1986
117787491649024879 ~1988
11778911235578238 ~1986
11779331235586638 ~1986
11779421706765278 ~1987
11779511235590238 ~1986
11779973706798398 ~1987
11780063235601278 ~1986
11780357942428578 ~1988
11780819235616398 ~1986
11781839235636798 ~1986
11781851235637038 ~1986
11782019235640398 ~1986
11782103235642078 ~1986
11782313706938798 ~1987
11782481706948878 ~1987
11782691942615298 ~1988
11782931235658638 ~1986
11782997706979838 ~1987
11783117706987038 ~1987
11783171235663438 ~1986
11783273706996398 ~1987
11783951235679038 ~1986
Exponent Prime Factor Digits Year
117841333535239919 ~1989
11784551942764098 ~1988
11785079942806338 ~1988
11785271235705438 ~1986
11785463235709278 ~1986
11785523235710478 ~1986
11785583360638839910 ~1992
11785703235714078 ~1986
11785799235715998 ~1986
11785979235719598 ~1986
11786303235726078 ~1986
11786717707203038 ~1987
11786759942940738 ~1988
11786891235737838 ~1986
11786903235738078 ~1986
117870671885930739 ~1988
117873012593206239 ~1989
11787371942989698 ~1988
117874631885994099 ~1988
11788883235777678 ~1986
11788901943112098 ~1988
11788937707336238 ~1987
11788979235779598 ~1986
11789003235780078 ~1986
11789231235784638 ~1986
Exponent Prime Factor Digits Year
11789663235793278 ~1986
117898077781272639 ~1990
117898792122178239 ~1989
11790341943227298 ~1988
11790491235809838 ~1986
11790683235813678 ~1986
117907871886525939 ~1988
11790959235819198 ~1986
117910511179105119 ~1988
11791151235823038 ~1986
11791163235823278 ~1986
117911933773181779 ~1989
11791201707472078 ~1987
11791601707496078 ~1987
11791691235833838 ~1986
11791991235839838 ~1986
11792197707531838 ~1987
117923294716931619 ~1989
11793143235862878 ~1986
11793317707599038 ~1987
11793413707604798 ~1987
11793421707605278 ~1987
117934692594563199 ~1989
11793863235877278 ~1986
11793959235879198 ~1986
1103
GIMPS The Prime Pages FactorDb.com
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25-05-04