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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
28486583569731678 ~1989
28486631569732638 ~1989
284867211709203279 ~1990
28487111569742238 ~1989
28487159569743198 ~1989
28487219569744398 ~1989
284875875127765679 ~1992
28487603569752078 ~1989
284878131709268799 ~1990
284878611709271679 ~1990
284882171709293039 ~1990
28488371569767438 ~1989
28488503569770078 ~1989
28488539569770798 ~1989
28488611569772238 ~1989
28489319569786398 ~1989
28489859569797198 ~1989
28490183569803678 ~1989
28490603569812078 ~1989
28490771569815438 ~1989
284908634558538099 ~1991
28491301205137367310 ~1993
28491959569839198 ~1989
28492091569841838 ~1989
28492559569851198 ~1989
Exponent Prime Factor Digits Year
284927331709563999 ~1990
28493243569864878 ~1989
284940616268693439 ~1992
28494083569881678 ~1989
28494299569885998 ~1989
28495199569903998 ~1989
284959331709755999 ~1990
28496423569928478 ~1989
28496519569930398 ~1989
28496651569933038 ~1989
284967538549025919 ~1992
284972572279780579 ~1991
28497263569945278 ~1989
284974811709848879 ~1990
28497671569953438 ~1989
28497719569954398 ~1989
28497743569954878 ~1989
28498199569963998 ~1989
28498523569970478 ~1989
28498979569979598 ~1989
28499459569989198 ~1989
28499543569990878 ~1989
284995611709973679 ~1990
28499651569993038 ~1989
28500239570004798 ~1989
Exponent Prime Factor Digits Year
28500683570013678 ~1989
285012371710074239 ~1990
28502759570055198 ~1989
28503119570062398 ~1989
28503383570067678 ~1989
28503791570075838 ~1989
285037912280303299
28503851570077038 ~1989
28504403570088078 ~1989
285044171710265039 ~1990
28504439570088798 ~1989
28505051570101038 ~1989
28505159570103198 ~1989
28505903570118078 ~1989
28506911570138238 ~1989
28508171570163438 ~1989
28508219570164398 ~1989
28508423570168478 ~1989
28508663570173278 ~1989
285095392280763139 ~1991
28510403570208078 ~1989
28510439570208798 ~1989
28510739570214798 ~1989
28511183570223678 ~1989
28511603570232078 ~1989
Exponent Prime Factor Digits Year
28511699570233998 ~1989
285117531710705199 ~1990
28511891570237838 ~1989
285120731710724399 ~1990
285123011710738079 ~1990
28512719205291576910 ~1993
28513559570271198 ~1989
28513679570273598 ~1989
28513871570277438 ~1989
28514039570280798 ~1989
28514099570281998 ~1989
285140992281127939
28514303570286078 ~1989
28514543570290878 ~1989
28514939570298798 ~1989
28515251570305038 ~1989
28516141114064564110 ~1992
28516151570323038 ~1989
285171736844121539 ~1992
28517663570353278 ~1989
28518071570361438 ~1989
28518779570375598 ~1989
28518863570377278 ~1989
28519763570395278 ~1989
28520291570405838 ~1989
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26-07-05