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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
6579961394797678 ~1985
65800692632027619 ~1987
6580661394839678 ~1985
6580991131619838 ~1984
6581009526480738 ~1986
6581051131621038 ~1984
6581137394868238 ~1985
6581291526503298 ~1986
6581297394877838 ~1985
65813171579516099 ~1987
65813172632526819
65813173553911199
6581437394886238 ~1985
6581483131629678 ~1984
6581621526529698 ~1986
6581761394905678 ~1985
6581767658176718 ~1986
6581843131636878 ~1984
6582011131640238 ~1984
6582019658201918 ~1986
6582089526567138 ~1986
65820911053134579 ~1986
6582221394933278 ~1985
6582313394938798 ~1985
6582431526594498 ~1986
Exp. Prime Factor Digits Year
6582479526598338 ~1986
6582581526606498 ~1986
6582677526614178 ~1986
6582727658272718 ~1986
6582839131656798 ~1984
6583061394983678 ~1985
65831231053299699 ~1986
6583271526661698 ~1986
6583349526667938 ~1986
6583649526691938 ~1986
6583853395031198 ~1985
65839631053434099 ~1986
65840337242436319 ~1989
6584471131689438 ~1984
6584713395082798 ~1985
6584791658479118 ~1986
65849391580385379 ~1987
6584951131699038 ~1984
6584999131699998 ~1984
6585053395103198 ~1985
6585251131705038 ~1984
6585263131705278 ~1984
6586271131725438 ~1984
6586319131726398 ~1984
6586373395182398 ~1985
Exp. Prime Factor Digits Year
6586589526927138 ~1986
6586709526936738 ~1986
6586753395205198 ~1985
6586781526942498 ~1986
6586831658683118 ~1986
6586873395212398 ~1985
6587051131741038 ~1984
6587123131742478 ~1984
6587351131747038 ~1984
6587419658741918 ~1986
6587773395266398 ~1985
6587783131755678 ~1984
6587963131759278 ~1984
6588119131762398 ~1984
6588203131764078 ~1984
6588341395300478 ~1985
65887311185971599 ~1987
6588779131775598 ~1984
6588863131777278 ~1984
6588893395333598 ~1985
6589883131797678 ~1984
6589993395399598 ~1985
6590651131813038 ~1984
6590711131814238 ~1984
6590737395444238 ~1985
Exp. Prime Factor Digits Year
6590789527263138 ~1986
6591191131823838 ~1984
6591281395476878 ~1985
6591401527312098 ~1986
6591479131829598 ~1984
6591581395494878 ~1985
6591659131833198 ~1984
6591757395505438 ~1985
6591779131835598 ~1984
6592121527369698 ~1986
6592363659236318 ~1986
6592501395550078 ~1985
6592661527412898 ~1986
6592871131857438 ~1984
6592879659287918 ~1986
65929311714162079 ~1987
6593231131864638 ~1984
6593369923071678 ~1986
6593423131868478 ~1984
6593621395617278 ~1985
6593837923137198 ~1986
65938571978157119 ~1987
65941091450703999 ~1987
65943191186977439 ~1987
6594407189918921710 ~1990
820
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25-11-02