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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
8494573509674398 ~1986
8494711849471118 ~1987
8494943169898878 ~1985
84950411359206579 ~1987
84954492548634719 ~1988
8495561509733678 ~1986
84958871529259679 ~1987
84959694587823279 ~1989
8496431169928638 ~1985
8496479169929598 ~1985
84967131189539839 ~1987
8496731169934638 ~1985
8497037509822238 ~1986
8497169679773538 ~1987
8497217679777378 ~1987
8497259169945198 ~1985
8497283169945678 ~1985
8497451169949038 ~1985
8497523169950478 ~1985
8497823169956478 ~1985
8497871169957438 ~1985
8498159169963198 ~1985
8498177509890638 ~1986
8498471169969438 ~1985
84984713569357839
Exp. Prime Factor Digits Year
8498663169973278 ~1985
84986691189813679 ~1987
8498723169974478 ~1985
84987611359801779 ~1987
8498999169979998 ~1985
84991933909628799 ~1988
8499937509996238 ~1986
84999711529994799 ~1987
8500021510001278 ~1986
8500057510003438 ~1986
8500361510021678 ~1986
8500703170014078 ~1985
8500931170018638 ~1985
8501201510072078 ~1986
8501239850123918 ~1987
8501243170024878 ~1985
85014433400577219 ~1988
8501459170029198 ~1985
8502181510130878 ~1986
8502311170046238 ~1985
8502503170050078 ~1985
8502883850288318 ~1987
8503091170061838 ~1985
85032232210837999 ~1988
8503403170068078 ~1985
Exp. Prime Factor Digits Year
85034271530616879 ~1987
8503499170069998 ~1985
8503501510210078 ~1986
8503513510210798 ~1986
8503751170075038 ~1985
8503871680309698 ~1987
8503919170078398 ~1985
85039911530718399 ~1987
8504129680330338 ~1987
8504203850420318 ~1987
85043571190609999 ~1987
8504591170091838 ~1985
8505037510302238 ~1986
8505053510303198 ~1986
8505313510318798 ~1986
8505467680437378 ~1987
8505719170114398 ~1985
8506031170120638 ~1985
8506081510364878 ~1986
85064274763599139 ~1989
85065072892212399 ~1988
8506643170132878 ~1985
8506703170134078 ~1985
85069074083315379 ~1988
8507099170141998 ~1985
Exp. Prime Factor Digits Year
8507221510433278 ~1986
8507281510436878 ~1986
8507357510441438 ~1986
8507363170147278 ~1985
85075916125465539 ~1989
8507651170153038 ~1985
8507711680616898 ~1987
85077911361246579 ~1987
8508011170160238 ~1985
8508061510483678 ~1986
8508191170163838 ~1985
8508373510502398 ~1986
8508757510525438 ~1986
8509079170181598 ~1985
8509121680729698 ~1987
8509147850914718 ~1987
8509211170184238 ~1985
8509247680739778 ~1987
8509331170186638 ~1985
85094331191320639 ~1987
8509601510576078 ~1986
8509619170192398 ~1985
85096612552898319 ~1988
8509799170195998 ~1985
8509861510591678 ~1986
937
GIMPS The Prime Pages FactorDb.com
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25-07-08