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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
27195923543918478 ~1989
27196139543922798 ~1989
27196283543925678 ~1989
27196943543938878 ~1989
271975578159267119 ~1992
27197699543953998 ~1989
27197837299176207110 ~1993
27198179543963598 ~1989
27198551543971038 ~1989
27198599543971998 ~1989
271986978159609119 ~1992
27199163543983278 ~1989
27199223543984478 ~1989
27200111544002238 ~1989
27200339544006798 ~1989
272020331632121999 ~1990
27202943544058878 ~1989
27203171544063438 ~1989
272032011632192079 ~1990
27203243544064878 ~1989
27204011544080238 ~1989
272041731632250399 ~1990
27204263544085278 ~1989
27205319544106398 ~1989
27205439544108798 ~1989
Exponent Prime Factor Digits Year
27205679544113598 ~1989
27205751544115038 ~1989
27205943544118878 ~1989
27206243544124878 ~1989
27207023544140478 ~1989
27207143544142878 ~1989
27207359544147198 ~1989
27207503544150078 ~1989
27207671544153438 ~1989
27208739544174798 ~1989
27209243544184878 ~1989
27209291544185838 ~1989
27209291114279022310
27209771544195438 ~1989
27209951544199038 ~1989
27209999544199998 ~1989
27210119544202398 ~1989
272102571632615439 ~1990
27210383544207678 ~1989
272104312176834499 ~1991
272108811632652879 ~1990
27212051544241038 ~1989
27212183544243678 ~1989
272127411632764479 ~1990
27212819544256398 ~1989
Exponent Prime Factor Digits Year
27212879544257598 ~1989
27213083544261678 ~1989
272131612177052899 ~1991
27213239544264798 ~1989
272136011632816079 ~1990
27213839544276798 ~1989
27213911544278238 ~1989
27213971544279438 ~1989
27214199544283998 ~1989
272142192721421919 ~1991
27214391544287838 ~1989
272147171632883039 ~1990
27215063544301278 ~1989
27215423544308478 ~1989
272156331632937999 ~1990
272163611632981679 ~1990
27216503544330078 ~1989
272167674899018079 ~1991
272173872721738719 ~1991
27217511544350238 ~1989
27218519544370398 ~1989
272190411633142479 ~1990
272192594899466639 ~1991
27219743544394878 ~1989
27220019544400398 ~1989
Exponent Prime Factor Digits Year
27220163544403278 ~1989
27220463544409278 ~1989
27220643544412878 ~1989
27220703544414078 ~1989
272208412177667299 ~1991
27221039544420798 ~1989
27221123544422478 ~1989
27222551544451038 ~1989
27222911544458238 ~1989
272232674900188079 ~1991
27223403544468078 ~1989
27223811544476238 ~1989
27225179544503598 ~1989
27225323544506478 ~1989
27225439375711058310 ~1994
27225563544511278 ~1989
27225683544513678 ~1989
27226691544533838 ~1989
27227159544543198 ~1989
27227303544546078 ~1989
27227639544552798 ~1989
27228119544562398 ~1989
272289538713264979 ~1992
27229523544590478 ~1989
27229747457459749710 ~1994
1640
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25-04-13