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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
127174871271748719 ~1988
12717557763053438 ~1988
127175595087023619 ~1990
12717563254351278 ~1986
12717917763075038 ~1988
12717953763077198 ~1988
12717983254359678 ~1986
12718157763089438 ~1988
12718493763109598 ~1988
12718523254370478 ~1986
12718679254373598 ~1986
12719029129734095910 ~1991
12719159254383198 ~1986
12719243254384878 ~1986
12719521763171278 ~1988
12719557763173438 ~1988
12719639254392798 ~1986
12719771254395438 ~1986
127197711017581699
12720083254401678 ~1986
127205591272055919 ~1988
12720941763256478 ~1988
127210872289795679 ~1989
12721211254424238 ~1986
12721391254427838 ~1986
Exponent Prime Factor Digits Year
12721417763285038 ~1988
12721739254434798 ~1986
127217392289913039
12721799254435998 ~1986
12722141763328478 ~1988
127221791272217919 ~1988
127223211017785699 ~1988
12722993763379598 ~1988
12723101763386078 ~1988
12723239254464798 ~1986
127232392290183039
12723311254466238 ~1986
12723917763435038 ~1988
12723947542040142310 ~1992
12724223254484478 ~1986
127245191272451919 ~1988
12724981763498878 ~1988
12725057763503438 ~1988
127251777126099139 ~1990
12725213763512798 ~1988
12725351254507038 ~1986
127254291018034339 ~1988
127255971018047779 ~1988
12726037763562238 ~1988
12726433763585998 ~1988
Exponent Prime Factor Digits Year
127270631272706319 ~1988
12727817763669038 ~1988
127279872036477939 ~1989
12728123254562478 ~1987
12728363254567278 ~1987
12728711254574238 ~1987
12728759254575198 ~1987
12729133763747998 ~1988
12729179254583598 ~1987
12729323254586478 ~1987
12729611254592238 ~1987
12729779254595598 ~1987
12730321763819278 ~1988
12730379254607598 ~1987
127305193055324579 ~1989
12730691254613838 ~1987
12730777763846638 ~1988
12730853763851198 ~1988
12730979254619598 ~1987
12731039254620798 ~1987
12731399254627998 ~1987
12731417763885038 ~1988
127316295092651619 ~1990
127316811018534499 ~1988
12731681315745688910
Exponent Prime Factor Digits Year
12731723254634478 ~1987
12732143254642878 ~1987
12732277763936638 ~1988
127323112291815999 ~1989
12732383254647678 ~1987
12732431254648638 ~1987
12732563254651278 ~1987
127327631273276319 ~1988
12732959254659198 ~1987
127330671018645379 ~1988
12733151254663038 ~1987
12733691254673838 ~1987
12733997764039838 ~1988
12734171254683438 ~1987
12734573764074398 ~1988
12734783254695678 ~1987
12735419254708398 ~1987
12735539254710798 ~1987
12735713764142798 ~1988
12735743254714878 ~1987
12735937764156238 ~1988
12736067254721340110 ~1991
12736079254721598 ~1987
12736151254723038 ~1987
127361694839744239 ~1990
1215
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26-03-29