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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
154916592788498639 ~1989
15491711309834238 ~1987
154922591549225919 ~1989
15492311309846238 ~1987
15492623309852478 ~1987
154928811239430499 ~1989
15492959309859198 ~1987
154929911549299119 ~1989
15493403309868078 ~1987
154935072478961139 ~1989
154935072788831279
15493733929623998 ~1988
15494321929659278 ~1988
15494411309888238 ~1987
154947891239583139 ~1989
154949091239592739 ~1989
15495059309901198 ~1987
15495131309902638 ~1987
15495719309914398 ~1987
15496139309922798 ~1987
15497543309950878 ~1987
15497879309957598 ~1987
154978911239831299 ~1989
154981372169739199 ~1989
154989292169850079 ~1989
Exponent Prime Factor Digits Year
154990072789821279 ~1989
15499321929959278 ~1988
15499391309987838 ~1987
154997111549971119 ~1989
15500033930001998 ~1988
15500099310001998 ~1987
15500423310008478 ~1987
15500519310010398 ~1987
15500711310014238 ~1987
15501119310022398 ~1987
15501179310023598 ~1987
15501803310036078 ~1987
155019071550190719 ~1989
15501911310038238 ~1987
15501971310039438 ~1987
155020491240163939 ~1989
15502523310050478 ~1987
155030092170421279 ~1989
15503231310064638 ~1987
15503291310065838 ~1987
15503723310074478 ~1987
15503731111626863310 ~1991
15503903310078078 ~1987
15504563310091278 ~1987
15504623310092478 ~1987
Exponent Prime Factor Digits Year
15504653930279198 ~1988
15504803310096078 ~1987
15505739310114798 ~1987
155059015892242399 ~1990
15506063310121278 ~1987
15506411310128238 ~1987
155068093411497999 ~1990
15507419310148398 ~1987
155074693411643199 ~1990
15507599310151998 ~1987
15507761930465678 ~1988
15508043310160878 ~1987
15508511310170238 ~1987
15508763310175278 ~1987
15509099310181998 ~1987
155093231550932319 ~1989
155094471240755779 ~1989
15509447781676128910
15509699310193998 ~1987
15509891310197838 ~1987
15510311310206238 ~1987
15510359310207198 ~1987
155103675273524799 ~1990
15510617930637038 ~1988
15511283310225678 ~1987
Exponent Prime Factor Digits Year
15511511310230238 ~1987
15511703310234078 ~1987
15512597930755838 ~1988
15512639310252798 ~1987
15512951310259038 ~1987
15513059310261198 ~1987
15513383310267678 ~1987
155136534654095919 ~1990
15514283310285678 ~1987
15514361930861678 ~1988
15514403310288078 ~1987
15514511310290238 ~1987
15515117930907038 ~1988
15515243310304878 ~1987
15515471310309438 ~1987
15515573930934398 ~1988
15515939310318798 ~1987
15516253930975198 ~1988
15516419310328398 ~1987
15516779310335598 ~1987
155170693724096579 ~1990
155175017138050479 ~1990
155177591551775919 ~1989
15517979310359598 ~1987
155180211241441699 ~1989
1301
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25-11-02