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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
358621732151730399 ~1991
35862539717250798 ~1990
35862611717252238 ~1990
35862839717256798 ~1990
35863823717276478 ~1990
358640113586401119 ~1992
358642012151852079 ~1991
358642731205039572911 ~1995
35864519717290398 ~1990
35864663717293278 ~1990
35865023717300478 ~1990
35865443717308878 ~1990
35865491717309838 ~1990
358654972151929839 ~1991
358661332151967999 ~1991
35866403717328078 ~1990
35866511717330238 ~1990
35866703717334078 ~1990
35867159717343198 ~1990
35867233451927135910 ~1994
35867831717356638 ~1990
35869343717386878 ~1990
35869349136303526310 ~1993
35870231717404638 ~1990
358702732152216399 ~1991
Exponent Prime Factor Digits Year
358704892869639139 ~1991
35870591717411838 ~1990
35871131717422638 ~1990
35871383717427678 ~1990
35871443717428878 ~1990
35872211717444238 ~1990
358722295022112079 ~1992
35872379717447598 ~1990
35872631717452638 ~1990
35872691717453838 ~1990
35872979717459598 ~1990
35873639717472798 ~1990
35873759717475198 ~1990
35874563717491278 ~1990
35874623717492478 ~1990
35875271717505438 ~1990
358754092870032739 ~1991
35875751717515038 ~1990
35875979717519598 ~1990
35876279717525598 ~1990
35876339717526798 ~1990
35876411717528238 ~1990
35876471717529438 ~1990
358764972152589839 ~1991
358765972870127779 ~1991
Exponent Prime Factor Digits Year
35876891717537838 ~1990
35877983717559678 ~1990
358783732152702399 ~1991
35879111717582238 ~1990
35879219717584398 ~1990
35879303717586078 ~1990
35879339717586798 ~1990
35879939717598798 ~1990
35880431717608638 ~1990
35880899717617998 ~1990
35881739717634798 ~1990
35882111717642238 ~1990
35883203717664078 ~1990
35883299717665998 ~1990
35883539717670798 ~1990
35885051717701038 ~1990
35885159717703198 ~1990
358854295023960079 ~1992
35885831717716638 ~1990
35886479717729598 ~1990
35886743717734878 ~1990
35887031717740638 ~1990
358870372870962979 ~1991
358871412153228479 ~1991
35887823717756478 ~1990
Exponent Prime Factor Digits Year
358879192871033539 ~1991
358887292842387336911 ~1996
35889323717786478 ~1990
35890691717813838 ~1990
358907172153443039 ~1991
35890919717818398 ~1990
35890979717819598 ~1990
35891783717835678 ~1990
35892071717841438 ~1990
358924972871399779 ~1991
35893211717864238 ~1990
358937212871497699 ~1991
35894231717884638 ~1990
35895539717910798 ~1990
35896079717921598 ~1990
35896319717926398 ~1990
358967897897293599 ~1993
35897063717941278 ~1990
35897111717942238 ~1990
35897423717948478 ~1990
35897831717956638 ~1990
358978332153869999 ~1991
358986132153916799 ~1991
35898671717973438 ~1990
358993972871951779 ~1991
1981
GIMPS The Prime Pages FactorDb.com
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26-02-08