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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
18068579361371598 ~1988
18068651361373038 ~1988
18069119361382398 ~1988
180691694336600579 ~1990
18069371361387438 ~1988
18069983361399678 ~1988
180702531084215199 ~1989
18070259361405198 ~1988
180704771084228639 ~1989
180708171084249039 ~1989
18071159361423198 ~1988
18071639361432798 ~1988
18071699361433998 ~1988
180717411084304479 ~1989
18071771361435438 ~1988
180717711445741699
180717971084307839 ~1989
18072557198798127110 ~1992
180727636144739439 ~1991
18073259361465198 ~1988
18073283307245811110 ~1992
18073463361469278 ~1988
180735111445880899 ~1989
18073619361472398 ~1988
18073823361476478 ~1988
Exponent Prime Factor Digits Year
18073859361477198 ~1988
18074099361481998 ~1988
18074411361488238 ~1988
18074579361491598 ~1988
18074783361495678 ~1988
18075191361503838 ~1988
18075503361510078 ~1988
18075899361517998 ~1988
180770477230818819 ~1991
18077051361541038 ~1988
18077291361545838 ~1988
18077639361552798 ~1988
18077879361557598 ~1988
180779571446236579 ~1989
18078491361569838 ~1988
18078779361575598 ~1988
180791532892664499 ~1990
18079343361586878 ~1988
18079739361594798 ~1988
18080399361607998 ~1988
18080459361609198 ~1988
18080999361619998 ~1988
18081023361620478 ~1988
180810971084865839 ~1989
180814319040715519 ~1991
Exponent Prime Factor Digits Year
180822011084932079 ~1989
180824474339787299 ~1990
18082511361650238 ~1988
180826211084957279 ~1989
180828913254920399 ~1990
18082943361658878 ~1988
180837074340089699 ~1990
18084383361687678 ~1988
18084611361692238 ~1988
18084851361697038 ~1988
18085103361702078 ~1988
180855131085130799 ~1989
18085559361711198 ~1988
180860211085161279 ~1989
18086039361720798 ~1988
180861494340675779 ~1990
18086639361732798 ~1988
18087479361749598 ~1988
180875831808758319 ~1989
180881211085287279 ~1989
180881231808812319 ~1989
18088253101294216910 ~1991
180886071447088579 ~1989
18088919361778398 ~1988
18089231361784638 ~1988
Exponent Prime Factor Digits Year
18089303361786078 ~1988
180893712894299379 ~1990
18089723361794478 ~1988
18090263361805278 ~1988
18090563361811278 ~1988
180906071809060719 ~1989
180908834341811939 ~1990
18090899361817998 ~1988
18091379361827598 ~1988
180914211085485279 ~1989
18091499361829998 ~1988
18091511361830238 ~1988
18091919361838398 ~1988
180924111447392899 ~1989
180926811085560879 ~1989
18092771361855438 ~1988
180928271809282719 ~1989
180928611085571679 ~1989
18092939361858798 ~1988
18093623361872478 ~1988
18093683361873678 ~1988
18094379361887598 ~1988
18095279361905598 ~1988
180953771085722639 ~1989
180954611085727679 ~1989
1346
GIMPS The Prime Pages FactorDb.com
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25-04-13