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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
200911011205466079 ~1989
20091251401825038 ~1988
200925611205553679 ~1989
200925731205554399 ~1989
20093219401864398 ~1988
200934771607478179 ~1990
20093483401869678 ~1988
20093891401877838 ~1988
20094251401885038 ~1988
20094863401897278 ~1988
200949531205697199 ~1989
200955531205733199 ~1989
20096039401920798 ~1988
20096591401931838 ~1988
200967673215482739 ~1990
200971372813599199 ~1990
20097431401948638 ~1988
20097683401953678 ~1988
20098439401968798 ~1988
200985417637445599 ~1991
200990691607925539 ~1990
20099231401984638 ~1988
20099483401989678 ~1988
20099939401998798 ~1988
20100253912551486310 ~1994
Exponent Prime Factor Digits Year
20100719402014398 ~1988
201008091608064739 ~1990
20101079402021598 ~1988
201010791608086339
201013311608106499 ~1990
20102591402051838 ~1988
20102711402054238 ~1988
20103071402061438 ~1988
20103203402064078 ~1988
20103659402073198 ~1988
201037371206224239 ~1989
20103971402079438 ~1988
201042291608338339 ~1990
20104379402087598 ~1988
20104823402096478 ~1988
201052571206315439 ~1989
20105303402106078 ~1988
20105759402115198 ~1988
20106659402133198 ~1988
20107739402154798 ~1988
20108531402170638 ~1988
201087471608699779 ~1990
20109059402181198 ~1988
201102172815430399 ~1990
20110511402210238 ~1988
Exponent Prime Factor Digits Year
20110523402210478 ~1988
20110631402212638 ~1988
20111411402228238 ~1988
20111711402234238 ~1988
201118036838013039 ~1991
20111869108604092710 ~1992
20112023402240478 ~1988
20112503402250078 ~1988
201126113620269999 ~1990
20112791402255838 ~1988
201128391609027139 ~1990
20112899402257998 ~1988
20113139402262798 ~1988
201133372815867199 ~1990
20113883402277678 ~1988
20114183402283678 ~1988
201143211206859279 ~1989
20114651402293038 ~1988
20115113124713700710 ~1992
20115323402306478 ~1988
20115503402310078 ~1988
20115659402313198 ~1988
20115971402319438 ~1988
20115983402319678 ~1988
20116451402329038 ~1988
Exponent Prime Factor Digits Year
201167171207003039 ~1989
20116919402338398 ~1988
20117243402344878 ~1988
20117351402347038 ~1988
20117759402355198 ~1988
20117963402359278 ~1988
20118419402368398 ~1988
201184814426065839 ~1991
20119439402388798 ~1988
20120543402410878 ~1988
20120651402413038 ~1988
201206511609652099
201206571609652579 ~1990
201208011609664099 ~1990
20121539402430798 ~1988
201216834829203939 ~1991
201218391609747139 ~1990
201222411207334479 ~1989
201227635231918399 ~1991
201229971207379839 ~1989
20124323402486478 ~1988
201246473622436479 ~1990
201249532817493439 ~1990
201251531207509199 ~1989
201256311610050499 ~1990
1471
GIMPS The Prime Pages FactorDb.com
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25-11-02