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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
8661509692920738 ~1987
8661553519693198 ~1986
8661581692926498 ~1987
8661703866170318 ~1987
8662019173240398 ~1985
8662133519727998 ~1986
8662151173243038 ~1985
8662169692973538 ~1987
8662481519748878 ~1986
86625311559255599 ~1988
8662799173255998 ~1985
86628594331429519 ~1989
8663437519806238 ~1986
8663519173270398 ~1985
8663579173271598 ~1985
8663777693102178 ~1987
8663959866395918 ~1987
86639691212955679 ~1987
8664451866445118 ~1987
8664671173293438 ~1985
86648691213081679 ~1987
86652073466082819 ~1988
8665277519916638 ~1986
8665313519918798 ~1986
8665451173309038 ~1985
Exp. Prime Factor Digits Year
86658731386539699 ~1987
8665991173319838 ~1985
8666051173321038 ~1985
8666219173324398 ~1985
8666291173325838 ~1985
8666351173327038 ~1985
8666459173329198 ~1985
8667079866707918 ~1987
8667371173347438 ~1985
8667697520061838 ~1986
8668031173360638 ~1985
8668057520083438 ~1986
8668133520087998 ~1986
8668151693452098 ~1987
86682073467282819 ~1988
8668553520113198 ~1986
8668571173371438 ~1985
86687991560383839 ~1988
8668901520134078 ~1986
86690711387051379 ~1987
8669123173382478 ~1985
8669159173383198 ~1985
8669233520153998 ~1986
8669293520157598 ~1986
8669351693548098 ~1987
Exp. Prime Factor Digits Year
8669483173389678 ~1985
8669543173390878 ~1985
8669627693570178 ~1987
8669879173397598 ~1985
8669993520199598 ~1986
8670071173401438 ~1985
8670281520216878 ~1986
86703732080889539 ~1988
86704911560688399 ~1988
86706792080962979 ~1988
8670713520242798 ~1986
8670743173414878 ~1985
86709891213938479 ~1987
8671057520263438 ~1986
8671499693719938 ~1987
8671511173430238 ~1985
8671721520303278 ~1986
8671919173438398 ~1985
8671937693754978 ~1987
8671979173439598 ~1985
8671979693758338
8671991173439838 ~1985
86720471387527539 ~1987
86720871560975679 ~1988
8672201520332078 ~1986
Exp. Prime Factor Digits Year
8672773520366398 ~1986
8672897520373838 ~1986
86729531387672499 ~1987
8672969693837538 ~1987
8673073520384398 ~1986
86733731387739699 ~1987
8673677693894178 ~1987
8673911173478238 ~1985
8674331173486638 ~1985
86743991561391839 ~1988
86744531387912499 ~1987
8674619173492398 ~1985
8674937693994978 ~1987
8675591173511838 ~1985
8675651173513038 ~1985
8675743867574318 ~1987
8675813520548798 ~1986
8675879694070338 ~1987
8676013520560798 ~1986
8676119173522398 ~1985
8676337520580238 ~1986
8676779173535598 ~1985
8676827694146178 ~1987
8676937520616238 ~1986
8676971173539438 ~1985
981
GIMPS The Prime Pages FactorDb.com
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26-03-29