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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
18898403377968078 ~1988
18898811377976238 ~1988
18898931377978638 ~1988
188993811511950499 ~1989
18899519377990398 ~1988
188999897559995619 ~1991
18900071378001438 ~1988
18900419378008398 ~1988
189004371134026239 ~1989
189004873024077939 ~1990
18901079378021598 ~1988
189011531134069199 ~1989
189013491512107939 ~1989
18901391378027838 ~1988
18901439378028798 ~1988
18901511378030238 ~1988
18901763378035278 ~1988
18902531378050638 ~1988
18903323378066478 ~1988
18903491378069838 ~1988
18903971378079438 ~1988
18904111200383576710 ~1992
18904871378097438 ~1988
189049131134294799 ~1989
18905219378104398 ~1988
Exponent Prime Factor Digits Year
18905543378110878 ~1988
18906203378124078 ~1988
18906383378127678 ~1988
189065571134393439 ~1989
18907319378146398 ~1988
18907331378146638 ~1988
18907439378148798 ~1988
18907979378159598 ~1988
18908111378162238 ~1988
189081111512648899
18908243378164878 ~1988
18908303378166078 ~1988
18908399378167998 ~1988
18908579378171598 ~1988
18908663378173278 ~1988
18909239378184798 ~1988
18909311378186238 ~1988
18909623378192478 ~1988
18909743378194878 ~1988
18909791378195838 ~1988
18909983378199678 ~1988
189104211134625279 ~1989
189104871512838979 ~1989
189113811134682879 ~1989
189117433025878899 ~1990
Exponent Prime Factor Digits Year
18912059378241198 ~1988
18912119378242398 ~1988
189126171513009379 ~1989
18912779378255598 ~1988
18912851378257038 ~1988
18912983378259678 ~1988
18913403378268078 ~1988
18913991378279838 ~1988
18914111378282238 ~1988
18914459378289198 ~1988
18914543378290878 ~1988
18914639378292798 ~1988
18914663378293278 ~1988
18914719109705370310 ~1991
189148934539574339 ~1990
18914963378299278 ~1988
189150771134904639 ~1989
18915359378307198 ~1988
18915419378308398 ~1988
18915503378310078 ~1988
18915623378312478 ~1988
18915731378314638 ~1988
189159373026549939 ~1990
18916031378320638 ~1988
189162171134973039 ~1989
Exponent Prime Factor Digits Year
189162411513299299 ~1989
189162431891624319 ~1990
18916739378334798 ~1988
18916763378335278 ~1988
18916811378336238 ~1988
18917351378347038 ~1988
18918071378361438 ~1988
189183134162028879 ~1990
18918923378378478 ~1988
18919451378389038 ~1988
18919739378394798 ~1988
18920879378417598 ~1988
18920939378418798 ~1988
18921179378423598 ~1988
18921431378428638 ~1988
189214491513715939 ~1989
18922511378450238 ~1988
18922763378455278 ~1988
18923231378464638 ~1988
18923291378465838 ~1988
18923783378475678 ~1988
18924011378480238 ~1988
18924023378480478 ~1988
18924599378491998 ~1988
189247931135487599 ~1989
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25-05-04