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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
12709943254198878 ~1986
12710003254200078 ~1986
127101771016814179 ~1988
12710531254210638 ~1986
12711371254227438 ~1986
127116973813509119 ~1989
12711737762704238 ~1988
12711791254235838 ~1986
12712079254241598 ~1986
12712223254244478 ~1986
12712373762742398 ~1988
12713153762789198 ~1988
12713219254264398 ~1986
12713243254264878 ~1986
12713279254265598 ~1986
12713663254273278 ~1986
12714133762847998 ~1988
12714263254285278 ~1986
127143531780009439 ~1989
127143791271437919 ~1988
12714671254293438 ~1986
12714683254293678 ~1986
12714983254299678 ~1986
12715211254304238 ~1986
12715259254305198 ~1986
Exponent Prime Factor Digits Year
12715271254305438 ~1986
12715397762923838 ~1988
12715691254313838 ~1986
12715751254315038 ~1986
12715931254318638 ~1986
12716113762966798 ~1988
12716279254325598 ~1986
12716699254333998 ~1986
12716773763006398 ~1988
12717193763031598 ~1988
127172471271724719 ~1988
127174871271748719 ~1988
127175595087023619 ~1990
12717563254351278 ~1986
12717917763075038 ~1988
12717983254359678 ~1986
12718523254370478 ~1986
12718679254373598 ~1986
12719159254383198 ~1986
12719243254384878 ~1986
12719557763173438 ~1988
12719639254392798 ~1986
12719771254395438 ~1986
127197711017581699
12720083254401678 ~1986
Exponent Prime Factor Digits Year
127205591272055919 ~1988
127210872289795679 ~1989
12721211254424238 ~1986
12721391254427838 ~1986
12721739254434798 ~1986
127217392289913039
12721799254435998 ~1986
127223211017785699 ~1988
12723101763386078 ~1988
12723239254464798 ~1986
127232392290183039
12723311254466238 ~1986
12723947542040142310 ~1992
12724223254484478 ~1986
127245191272451919 ~1988
12724981763498878 ~1988
127251777126099139 ~1990
12725351254507038 ~1986
127254291018034339 ~1988
127255971018047779 ~1988
127270631272706319 ~1988
127279872036477939 ~1989
12728123254562478 ~1986
12728363254567278 ~1986
12728711254574238 ~1986
Exponent Prime Factor Digits Year
12728759254575198 ~1986
12729179254583598 ~1986
12729323254586478 ~1986
12729611254592238 ~1986
12729779254595598 ~1986
12730379254607598 ~1986
127305193055324579 ~1989
12730691254613838 ~1986
12730853763851198 ~1988
12730979254619598 ~1986
12731039254620798 ~1986
12731399254627998 ~1986
12731417763885038 ~1988
127316295092651619 ~1990
127316811018534499 ~1988
12731681315745688910
12731723254634478 ~1986
12732143254642878 ~1986
127323112291815999 ~1989
12732383254647678 ~1986
12732431254648638 ~1986
12732563254651278 ~1986
127327631273276319 ~1988
12732959254659198 ~1986
12733151254663038 ~1986
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25-04-13