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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.
Exp. Prime Factor Digits Year
89189292140542979 ~1988
8919191178383838 ~1985
8919277535156638 ~1986
8919299178385998 ~1985
8919539178390798 ~1985
8919899178397998 ~1985
8919959328254491310 ~1991
8920147892014718 ~1987
8920679178413598 ~1985
8921123178422478 ~1985
89212072141089699 ~1988
8921249713699938 ~1987
8921441535286478 ~1986
8921663178433278 ~1985
8921761535305678 ~1986
8921771178435438 ~1985
8922107713768578 ~1987
8922233535333998 ~1986
8922257713780578 ~1987
89223131427570099 ~1987
8922377713790178 ~1987
8922443178448878 ~1985
89224491249142879 ~1987
89225771427612339 ~1987
8922601535356078 ~1986
Exp. Prime Factor Digits Year
8922659178453198 ~1985
89228691249201679 ~1987
8923073535384398 ~1986
89232671606188079 ~1988
8923357535401438 ~1986
8923639892363918 ~1987
89238072141713699 ~1988
8923961162416090310 ~1990
8923991178479838 ~1985
8924011892401118 ~1987
8924089640749590310 ~1992
89243092855778899 ~1988
8924387713950978 ~1987
8924411178488238 ~1985
8924579178491598 ~1985
8924701535482078 ~1986
8925047714003778 ~1987
8925131178502638 ~1985
8925181535510878 ~1986
8925419178508398 ~1985
89255572142133699 ~1988
8925599178511998 ~1985
8925797535547838 ~1986
8925803178516078 ~1985
89258094284388339 ~1989
Exp. Prime Factor Digits Year
8925977535558638 ~1986
8926061714084898 ~1987
8926331178526638 ~1985
8927341535640478 ~1986
8927441535646478 ~1986
89274892678246719 ~1988
8927813535668798 ~1986
8927833535669998 ~1986
8928131178562638 ~1985
8928173535690398 ~1986
8928191178563838 ~1985
8928371178567438 ~1985
8928851178577038 ~1985
8928863178577278 ~1985
8929139714331138 ~1987
8929331178586638 ~1985
8930021535801278 ~1986
8930179893017918 ~1987
8930351714428098 ~1987
8930591178611838 ~1985
89308492143403779 ~1988
8930951178619038 ~1985
8931037535862238 ~1986
8931119178622398 ~1985
89311192143468579
Exp. Prime Factor Digits Year
8931421535885278 ~1986
8931431178628638 ~1985
8931523187561983110 ~1990
8931683178633678 ~1985
8931731178634638 ~1985
8931757535905438 ~1986
8932117535927038 ~1986
8932139178642798 ~1985
8932271178645438 ~1985
8932457535947438 ~1986
8932481535948878 ~1986
8932733535963998 ~1986
8932883178657678 ~1985
8933231178664638 ~1985
89332972679989119 ~1988
8933339178666798 ~1985
8933437536006238 ~1986
89335692680070719 ~1988
8933623893362318 ~1987
8934071178681438 ~1985
8934083178681678 ~1985
8934173536050398 ~1986
8934521714761698 ~1987
8934631893463118 ~1987
8934743178694878 ~1985
980
GIMPS The Prime Pages FactorDb.com
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25-11-02