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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
5195831103916638 ~1983
5195887519588718 ~1985
5195903103918078 ~1983
51961572390232239 ~1987
5196293311777598 ~1985
5196361311781678 ~1985
5196479103929598 ~1983
5196563103931278 ~1983
5196701311802078 ~1985
5196839103936798 ~1983
5197067415765378 ~1985
5197183519718318 ~1985
5197319103946398 ~1983
5197403103948078 ~1983
5197459519745918 ~1985
5197463103949278 ~1983
5197607415808578 ~1985
5197691103953838 ~1983
5197823103956478 ~1983
5198119519811918 ~1985
5198159103963198 ~1983
5198261311895678 ~1985
51983772079350819 ~1987
5198423103968478 ~1983
5198573311914398 ~1985
Exp. Prime Factor Digits Year
5198639103972798 ~1983
5198693311921598 ~1985
5198873727842238 ~1985
5198887831821938 ~1986
5199011103980238 ~1983
5199119103982398 ~1983
5199119935841438
51998097903709699 ~1988
5199959103999198 ~1983
5200159520015918 ~1985
5200379104007598 ~1983
5200379416030338
52004511664144339 ~1986
5200511104010238 ~1983
5200511416040898
5200751416060098 ~1985
5200753312045198 ~1985
52008472600423519 ~1987
5200859104017198 ~1983
52009131248219139 ~1986
52010893328696979 ~1987
5201159104023198 ~1983
52011731144258079 ~1986
5201291104025838 ~1983
5201311520131118 ~1985
Exp. Prime Factor Digits Year
5201401312084078 ~1985
5201621312097278 ~1985
5201699104033998 ~1983
5201827520182718 ~1985
5201837416146978 ~1985
5201951104039038 ~1983
5202151936387198 ~1986
5202247832359538 ~1986
5202251416180098 ~1985
5202479104049598 ~1983
5202479416198338
5202511520251118 ~1985
52027933641955119 ~1987
5202811520281118 ~1985
5202917312175038 ~1985
5203061312183678 ~1985
5203181312190878 ~1985
5203201312192078 ~1985
5203337312200238 ~1985
5203453312207198 ~1985
5203631104072638 ~1983
52044111353146879 ~1986
5204477416358178 ~1985
5204491520449118 ~1985
52046034996418899 ~1988
Exp. Prime Factor Digits Year
5204789416383138 ~1985
5204933312295998 ~1985
5204951936891198 ~1986
5204957416396578 ~1985
5205037312302238 ~1985
5205071104101438 ~1983
5205071416405698
52051693643618319 ~1987
5205169140539563110
5205251104105038 ~1983
5205329416426338 ~1985
52053675934118399 ~1988
5205719416457538 ~1985
5205839104116798 ~1983
52059131249419139 ~1986
5205953312357198 ~1985
5205997312359838 ~1985
5206121312367278 ~1985
52061531145353679 ~1986
5206273312376398 ~1985
5206363520636318 ~1985
52063731666039379 ~1986
5206447520644718 ~1985
52064891561946719 ~1986
5206511104130238 ~1983
693
GIMPS The Prime Pages FactorDb.com
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25-04-13