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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
182833136566637 ~1980
1828331329099598
18283611023882179 ~1983
1828373987321438 ~1983
1828397109703838 ~1981
1828399621655678 ~1983
182845136569037 ~1980
1828487146278978 ~1981
1828517146281378 ~1981
182858336571677 ~1980
182869136573837 ~1980
182876336575277 ~1980
18288311207028479 ~1984
18288479217388899 ~1986
18290111499789039 ~1984
1829293109757598 ~1981
1829309439034178 ~1983
1829441695187598 ~1983
1829533731813218 ~1983
18295337757219939
182969936593997 ~1980
1829747439139298 ~1983
182977136595437 ~1980
1829801146384098 ~1981
1829923182992318 ~1982
Exp. Prime Factor Digits Year
183001136600237 ~1980
1830053256207438 ~1982
1830223183022318 ~1982
1830223732089218
18303377138314319 ~1986
18304192525978239 ~1984
18305332745799519 ~1984
1830613732245218 ~1983
1830617146449378 ~1981
183062336612477 ~1980
1830739768910398 ~1983
1830757109845438 ~1981
1830901109854078 ~1981
1830923439421538 ~1983
1830967439432098 ~1983
183097136619437 ~1980
1831001695780398 ~1983
1831021109861278 ~1981
1831243183124318 ~1982
1831267293002738 ~1982
1831267622630798
1831373549411918 ~1983
1831441402917038 ~1982
18314772307661039 ~1984
1831481146518498 ~1981
Exp. Prime Factor Digits Year
1831493109889598 ~1981
18316011868233039 ~1984
1831679146534338 ~1981
18316936997067279 ~1985
1831723183172318 ~1982
183175136635037 ~1980
1831787329721678 ~1982
1832057109923438 ~1981
183212336642477 ~1980
1832143293142898 ~1982
1832147146571778 ~1981
1832213256509838 ~1982
183221936644397 ~1980
18322511209285679 ~1984
1832353732941218 ~1983
1832459879580338 ~1983
183247136649437 ~1980
1832471146597698
183254336650877 ~1980
1832681109960878 ~1981
1832707293233138 ~1982
1832861109971678 ~1981
1833067879872178 ~1983
1833089586588498 ~1983
183313136662637 ~1980
Exp. Prime Factor Digits Year
1833173256644238 ~1982
1833179146654338 ~1981
1833269146661538 ~1981
1833347146667778 ~1981
18333891320040099 ~1984
1833487440036898 ~1983
1833527146682178 ~1981
1833679330062238 ~1982
1833781293404978 ~1982
1833817110029038 ~1981
183391136678237 ~1980
183398336679677 ~1980
1834033110041998 ~1981
1834117440188098 ~1983
183413936682797 ~1980
1834307476919838 ~1983
1834397110063838 ~1981
183440336688077 ~1980
1834421697079998 ~1983
183443936688797 ~1980
1834513110070798 ~1981
183452336690477 ~1980
1834603440304738 ~1983
183464336692877 ~1980
1834663293546098 ~1982
372
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26-03-08