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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
1231663295599138 ~1981
1231781369534318 ~1981
123182998546337 ~1980
123188324637677 ~1979
1231883615941518
123188998551137 ~1980
123194324638877 ~1979
123196198556897 ~1980
1231961394227538
1232071197131378 ~1981
123217198573697 ~1980
123220173932077 ~1980
123221373932797 ~1980
1232227295734498 ~1981
123224324644877 ~1979
1232269271099198 ~1981
123235198588097 ~1980
123235373941197 ~1980
123241124648237 ~1979
123241773945037 ~1980
123253124650637 ~1979
1232659517716798 ~1982
1232683295843938 ~1981
123277124655437 ~1979
1232801764336638 ~1982
Exp. Prime Factor Digits Year
123283198626497 ~1980
1232831106763164710
123294173976477 ~1980
123307373984397 ~1980
1233073567213598
12334974613278799 ~1984
1233593296062338 ~1981
12335931282936739
123361198688897 ~1980
1233763197402098 ~1981
12337632887005439
123377924675597 ~1979
1234039222127038 ~1981
12340391480846819
12341471308195839 ~1983
1234187222153678 ~1981
1234253370275918 ~1981
1234391592507698 ~1982
1234531197524978 ~1981
1234577172840798 ~1981
1234627493850818 ~1982
123470324694077 ~1979
1234747222254478 ~1981
123476998781537 ~1980
12348132148574639 ~1983
Exp. Prime Factor Digits Year
12349016619069379 ~1984
12349511086756899 ~1983
123499124699837 ~1979
123509924701997 ~1979
12350992074966339
123515924703197 ~1979
1235183296443938 ~1981
1235251123525118 ~1980
123528174116877 ~1980
1235281592934898
12353831408336639 ~1983
1235417370625118 ~1981
1235431123543118 ~1980
12357016203219039 ~1984
1235789173010478 ~1981
123583124716637 ~1979
123583374149997 ~1980
123593374155997 ~1980
12362331879074179 ~1983
123644998915937 ~1980
123647924729597 ~1979
1236481197836978 ~1981
1236611321518878 ~1981
1236629173128078 ~1981
1236643890382978 ~1982
Exp. Prime Factor Digits Year
1236713173139838 ~1981
1236769272089198 ~1981
1236787296828898 ~1981
123680324736077 ~1979
1236811222625998 ~1981
123682798946177 ~1980
1236827222628878
123685774211437 ~1980
123703798962977 ~1980
1237043321631198 ~1981
1237043816448398
12370571187574739 ~1983
123709124741837 ~1979
1237139519598398 ~1982
1237253296940738 ~1981
12373872895485599 ~1984
1237393296974338 ~1981
123749924749997 ~1979
1237513297003138 ~1981
1237543495017218 ~1982
1237727222790878 ~1981
12377631287273539 ~1983
123782324756477 ~1979
1237823321833998
123791924758397 ~1979
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25-03-30