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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
14728697883721838 ~1988
14728943294578878 ~1987
147291532062081439 ~1989
14729339294586798 ~1987
147294617070141299 ~1990
14729653456619243110 ~1992
147296772356748339 ~1989
14729833883789998 ~1988
14730119294602398 ~1987
14730407109005011910 ~1991
147304214419126319 ~1990
14730659294613198 ~1987
14730731294614638 ~1987
147312733240880079 ~1990
14731319294626398 ~1987
14731331294626638 ~1987
147316438249720099 ~1991
14731823294636478 ~1987
14732411294648238 ~1987
14732639294652798 ~1987
14732671129647504910 ~1991
14733431294668638 ~1987
14733599294671998 ~1987
14733923294678478 ~1987
14734259294685198 ~1987
Exponent Prime Factor Digits Year
147342771178742179 ~1988
14734403294688078 ~1987
14734451294689038 ~1987
14734679294693598 ~1987
14735471294709438 ~1987
14735711294714238 ~1987
14735723294714478 ~1987
14736311294726238 ~1987
147367972063151599 ~1989
14737117884227038 ~1988
14737571294751438 ~1987
14738063294761278 ~1987
14738123294762478 ~1987
14738183294763678 ~1987
14738497884309838 ~1988
147388791179110339 ~1988
14739071294781438 ~1987
147391911179135299 ~1988
14740151294803038 ~1987
14740331294806638 ~1987
147409371179274979 ~1988
14741423294828478 ~1987
14741543294830878 ~1987
14742313884538798 ~1988
14742863294857278 ~1987
Exponent Prime Factor Digits Year
14742911294858238 ~1987
14743271294865438 ~1987
14743499294869998 ~1987
14743613884616798 ~1988
147436614423098319 ~1990
14743721884623278 ~1988
14744161884649678 ~1988
14744281884656878 ~1988
14744519294890398 ~1987
14744651294893038 ~1987
14744843294896878 ~1987
14745023294900478 ~1987
14746379294927598 ~1987
147467091179736739 ~1988
14747141884828478 ~1988
14747171294943438 ~1987
147472631474726319 ~1989
147472671179781379 ~1988
14747651294953038 ~1987
14747951294959038 ~1987
147480013244560239 ~1990
14748557884913438 ~1988
14748659294973198 ~1987
147492477079638579 ~1990
14749571294991438 ~1987
Exponent Prime Factor Digits Year
14749919294998398 ~1987
14749937884996238 ~1988
14750231295004638 ~1987
14750399295007998 ~1987
14750423295008478 ~1987
14750579295011598 ~1987
14750639295012798 ~1987
14750663295013278 ~1987
14751371295027438 ~1987
14751613885096798 ~1988
14751637885098238 ~1988
14751683295033678 ~1987
147517992655323839 ~1989
14752019295040398 ~1987
14752079295041598 ~1987
14752253885135198 ~1988
14752631295052638 ~1987
14752883295057678 ~1987
14752943295058878 ~1987
147539871180318979 ~1988
14754613885276798 ~1988
14754671295093438 ~1987
14755511295110238 ~1987
14755781885346878 ~1988
14755921885355278 ~1988
1222
GIMPS The Prime Pages FactorDb.com
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25-04-13