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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
1842233257912638 ~1982
1842329257926078 ~1982
1842377994883598 ~1983
184247936849597 ~1980
1842509147400738 ~1981
18427812174481599 ~1984
1842809147424738 ~1981
1842913552873918 ~1983
1842913847739998
1842949442307778 ~1983
1842977110578638 ~1981
184309136861837 ~1980
18431892764783519 ~1985
1843201847872478 ~1983
1843217110593038 ~1981
1843321110599278 ~1981
18434871806617279 ~1984
1843493258089038 ~1982
1843537110612238 ~1981
1843607147488578 ~1981
184361936872397 ~1980
184364336872877 ~1980
1843649258110878 ~1982
1843771184377118 ~1982
1843843295014898 ~1982
Exp. Prime Factor Digits Year
1844033258164638 ~1982
184409936881997 ~1980
1844119442588578 ~1983
184412336882477 ~1980
1844153442596738 ~1983
1844189147535138 ~1981
1844201110652078 ~1981
1844317110659038 ~1981
1844369147549538 ~1981
1844383737753218 ~1983
1844477147558178 ~1981
1844527295124338 ~1982
1844617110677038 ~1981
1844681110680878 ~1981
1844819332067438 ~1982
1844827627241198 ~1983
1844863184486318 ~1982
1844939147595138 ~1981
184496336899277 ~1980
1844977442794498 ~1983
1845119147609538 ~1981
1845157295225138 ~1982
1845271295243378 ~1982
1845317442876098 ~1983
1845331184533118 ~1982
Exp. Prime Factor Digits Year
184541936908397 ~1980
184549136909837 ~1980
184561136912237 ~1980
18456373506710319 ~1985
1845841295334578 ~1982
1845913110754798 ~1981
184607936921597 ~1980
1846079443058978
1846099332297838 ~1982
1846157258461998 ~1982
1846157553847118
1846157996924798
1846261110775678 ~1981
184628336925677 ~1980
1846357110781438 ~1981
1846769554030718 ~1983
1846843184684318 ~1982
1846921738768418 ~1983
1847117110827038 ~1981
1847129147770338 ~1981
1847221554166318 ~1983
1847281110836878 ~1981
1847297701972878 ~1983
1847309147784738 ~1981
1847359184735918 ~1982
Exp. Prime Factor Digits Year
1847471147797698 ~1981
1847513110850798 ~1981
184759136951837 ~1980
18476091441135039 ~1984
1847687147814978 ~1981
1847779184777918 ~1982
1848029147842338 ~1981
1848107147848578 ~1981
1848281147862498 ~1981
1848439184843918 ~1982
184855136971037 ~1980
1848697110921838 ~1981
1848907295825138 ~1982
18489191331221699 ~1984
184892336978477 ~1980
1848997110939838 ~1981
184909136981837 ~1980
1849097110945838 ~1981
1849171295867378 ~1982
1849207739682818 ~1983
1849291332872398 ~1982
18493492034283919 ~1984
184951136990237 ~1980
184964336992877 ~1980
1849733554919918 ~1983
375
GIMPS The Prime Pages FactorDb.com
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26-04-05