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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
11549423230988478 ~1986
11549459230989198 ~1986
11549819230996398 ~1986
11549903230998078 ~1986
11549977692998638 ~1987
115501031155010319 ~1988
11550181693010878 ~1987
11550551231011038 ~1986
11550719231014398 ~1986
11550923231018478 ~1986
115509832772235939 ~1989
11550997693059838 ~1987
11551081693064878 ~1987
11551157182508280710 ~1991
115513434851564079 ~1989
11551583231031678 ~1986
11551643231032878 ~1986
11551679231033598 ~1986
11551741693104478 ~1987
11551937924154978 ~1988
11552591231051838 ~1986
11552699231053998 ~1986
11552771231055438 ~1986
11552833693169998 ~1987
115528373465851119 ~1989
Exponent Prime Factor Digits Year
11552903231058078 ~1986
11552977693178638 ~1987
11553167924253378 ~1988
11553601693216078 ~1987
11553623231072478 ~1986
115536791155367919 ~1988
11554019231080398 ~1986
11555213693312798 ~1987
11555437693326238 ~1987
11555723231114478 ~1986
11555783231115678 ~1986
11555953693357198 ~1987
11556197693371838 ~1987
11556317693379038 ~1987
11556431231128638 ~1986
11556533693391998 ~1987
11556757693405438 ~1987
11557163231143278 ~1986
11557697693461838 ~1987
11557751231155038 ~1986
11558021693481278 ~1987
11558077693484638 ~1987
115581771618144799 ~1988
11558231231164638 ~1986
11558693693521598 ~1987
Exponent Prime Factor Digits Year
115586931618217039
11558927924714178 ~1988
11558999231179998 ~1986
11559491231189838 ~1986
115598034855117279 ~1989
11560019231200398 ~1986
11560091231201838 ~1986
11560517924841378 ~1988
115609313699497939 ~1989
11560957693657438 ~1987
115613712081046799 ~1988
11561591231231838 ~1986
11561741693704478 ~1987
11562107924968578 ~1988
11562311231246238 ~1986
11562337693740238 ~1987
11562401693744078 ~1987
11562539231250798 ~1986
11562899231257998 ~1986
11562959231259198 ~1986
11562959925036738
11562961693777678 ~1987
11562973693778398 ~1987
115630032775120739 ~1989
11563157693789438 ~1987
Exponent Prime Factor Digits Year
11563613693816798 ~1987
115636932544012479 ~1989
11564051231281038 ~1986
115642192081559439 ~1988
11564297693857838 ~1987
11564381693862878 ~1987
11564543231290878 ~1986
11564821693889278 ~1987
11565143231302878 ~1986
11565377693922638 ~1987
11565419231308398 ~1986
11565551231311038 ~1986
11566057693963438 ~1987
11566211231324238 ~1986
11566283231325678 ~1986
11566319925305538 ~1988
11566337693980238 ~1987
11566391231327838 ~1986
11566463231329278 ~1986
115665191156651919 ~1988
11566733694003998 ~1987
115667331619342639
11566837694010238 ~1987
11566931231338638 ~1986
115670415320838879 ~1989
1136
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25-12-14