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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
13171271263425438 ~1987
13171861790311678 ~1988
131718771717612760911 ~1993
13171973790318398 ~1988
13172051263441038 ~1987
13172053790323198 ~1988
13172221790333278 ~1988
13172231263444638 ~1987
13172363263447278 ~1987
13172531263450638 ~1987
131725733161417539 ~1989
13172651263453038 ~1987
13173313790398798 ~1988
131733311317333119 ~1988
13173599263471998 ~1987
13173911263478238 ~1987
13174037790442238 ~1988
13174151263483038 ~1987
13174321790459278 ~1988
131743631317436319 ~1988
13174823263496478 ~1987
13174943263498878 ~1987
13175273790516398 ~1988
13175339263506798 ~1987
13175579263511598 ~1987
Exponent Prime Factor Digits Year
13175893790553598 ~1988
13176077790564638 ~1988
13176239263524798 ~1987
131762595270503619 ~1990
13176491263529838 ~1987
13176743263534878 ~1987
13176983263539678 ~1987
13177259263545198 ~1987
13177271263545438 ~1987
131777573953327119 ~1989
13177841790670478 ~1988
13178021790681278 ~1988
13178279263565598 ~1987
13178411263568238 ~1987
131784432108550899 ~1989
13178843263576878 ~1987
131790411054323299 ~1988
13179997790799838 ~1988
13180313790818798 ~1988
131803816326582899 ~1990
13180571263611438 ~1987
13181303263626078 ~1987
131813176327032179 ~1990
13181653790899198 ~1988
13181699263633998 ~1987
Exponent Prime Factor Digits Year
13181939263638798 ~1987
13181963263639278 ~1987
13182503263650078 ~1987
13182557790953438 ~1988
13182971263659438 ~1987
131831511054652099 ~1988
13183613791016798 ~1988
131836272109380339 ~1989
131840638701481599 ~1990
13184459263689198 ~1987
131844912109518579 ~1989
13184519263690398 ~1987
13184663263693278 ~1987
131851731845924239 ~1989
13185443263708878 ~1987
13185493791129598 ~1988
13185611263712238 ~1987
13185719263714398 ~1987
131861093164666179 ~1989
13186223263724478 ~1987
13186259263725198 ~1987
13186451263729038 ~1987
13186643263732878 ~1987
131867571054940579 ~1988
13186813791208798 ~1988
Exponent Prime Factor Digits Year
131868132901098879
13187099263741998 ~1987
131871911318719119 ~1988
13187243263744878 ~1987
131875613956268319 ~1989
13187879263757598 ~1987
13188239263764798 ~1987
131890737122099439 ~1990
13189079263781598 ~1987
131892434484342639 ~1990
13189283263785678 ~1987
13189343263786878 ~1987
13189441791366478 ~1988
13189901791394078 ~1988
13190003263800078 ~1987
13190459263809198 ~1987
13190917791455038 ~1988
13190951263819038 ~1987
13191097791465838 ~1988
13191323263826478 ~1987
13191599263831998 ~1987
13192463263849278 ~1987
131931238707461199 ~1990
13193483263869678 ~1987
13193783263875678 ~1987
1158
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25-04-13