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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
6964459696445918 ~1986
6964481417868878 ~1986
6964499557159938 ~1986
6964723696472318 ~1986
6964931139298638 ~1984
69652192228870099 ~1987
6965317417919038 ~1986
6965411139308238 ~1984
6965459139309198 ~1984
6965831139316638 ~1984
6965873417952398 ~1986
6965891139317838 ~1984
6966203139324078 ~1984
6966257557300578 ~1986
6966419139328398 ~1984
6966919696691918 ~1986
69669432926116079 ~1988
6966983139339678 ~1984
6967117418027038 ~1986
6967351696735118 ~1986
6967361557388898 ~1986
6967517418051038 ~1986
6967621418057278 ~1986
69679031114864499 ~1987
6968051139361038 ~1984
Exp. Prime Factor Digits Year
6968063139361278 ~1984
6968303139366078 ~1984
6968399139367998 ~1984
69685671254342079 ~1987
69688692787547619 ~1988
6968999139379998 ~1984
6969191139383838 ~1984
6969491139389838 ~1984
6969883696988318 ~1986
6969883497649646310
6969917975788398 ~1987
6969971139399438 ~1984
6970543697054318 ~1986
69705471672931299 ~1987
6970571139411438 ~1984
69706191672948579 ~1987
69707511254735199 ~1987
6971201418272078 ~1986
6971579139431598 ~1984
6971857418311438 ~1986
6972071557765698 ~1986
6972547697254718 ~1986
69725934370...1937912099e3 1999
6972859697285918 ~1986
6972863139457278 ~1984
Exp. Prime Factor Digits Year
6973073418384398 ~1986
6973091139461838 ~1984
6973139139462798 ~1984
6973139557851138
69731472370869999 ~1987
6973397976275598 ~1987
6973453418407198 ~1986
6973679139473598 ~1984
6973919139478398 ~1984
6974017171560818310 ~1990
6974171139483438 ~1984
69744471255400479 ~1987
6974711139494238 ~1984
69748972092469119 ~1987
6974909557992738 ~1986
6974917418495038 ~1986
6975323139506478 ~1984
6975407558032578 ~1986
6975427697542718 ~1986
6975539139510798 ~1984
6975539558043138
6976301418578078 ~1986
6976423697642318 ~1986
6976637418598238 ~1986
6977057418623438 ~1986
Exp. Prime Factor Digits Year
69772871116365939 ~1987
6977473418648398 ~1986
6977611697761118 ~1986
6977891139557838 ~1984
6977903139558078 ~1984
6978113418686798 ~1986
6978421418705278 ~1986
6978431558274498 ~1986
69784371674824899 ~1987
6978481418708878 ~1986
6978593977003038 ~1987
6978617418717038 ~1986
6978659139573198 ~1984
6978793418727598 ~1986
6978901418734078 ~1986
6978941418736478 ~1986
6979003697900318 ~1986
6979033418741998 ~1986
69791391256245039 ~1987
6979391139587838 ~1984
6979853977179438 ~1987
6979943139598878 ~1984
69799571116793139 ~1987
6979961106095407310 ~1989
6980167698016718 ~1986
847
GIMPS The Prime Pages FactorDb.com
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25-10-20