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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
380117976023597 ~1982
3801221228073278 ~1984
380143176028637 ~1982
3801487380148718 ~1984
380150376030077 ~1982
3801619380161918 ~1984
3801757608281138 ~1985
380177976035597 ~1982
380183976036797 ~1982
3801839684331038
3802037304162978 ~1984
3802129836468398 ~1985
3802213228132798 ~1984
38024172053305199 ~1986
3802651684477198 ~1985
380276376055277 ~1982
380291976058397 ~1982
380297976059597 ~1982
380317176063437 ~1982
3803311608529778 ~1985
380333976066797 ~1982
3803491380349118 ~1984
380360376072077 ~1982
38036891521475619 ~1986
380387976077597 ~1982
Exp. Prime Factor Digits Year
3803923380392318 ~1984
3804067380406718 ~1984
380407176081437 ~1982
3804071304325698
3804179304334338 ~1984
3804533228271998 ~1984
380455176091037 ~1982
380474376094877 ~1982
3804869304389538 ~1984
3805159684928638 ~1985
3805171380517118 ~1984
3805237228314238 ~1984
3805237608837938
3805273228316398 ~1984
3805357228321438 ~1984
380539176107837 ~1982
3805391304431298
380546376109277 ~1982
3805463913311138
3805573228334398 ~1984
3805663380566318 ~1984
3805673228340398 ~1984
3805721304457698 ~1984
3805933608949298 ~1985
380611176122237 ~1982
Exp. Prime Factor Digits Year
3806507304520578 ~1984
3806549304523938 ~1984
3806617228397038 ~1984
38066411751054879 ~1986
380711976142397 ~1982
3807257228435438 ~1984
38072572132063939
3807341228440478 ~1984
3807449304595938 ~1984
3807449533042878
380749176149837 ~1982
380753976150797 ~1982
38075932132252099 ~1986
3807737304618978 ~1984
3807757609241138 ~1985
3807941228476478 ~1984
3808397914015298 ~1985
380875176175037 ~1982
3808801228528078 ~1984
3808967914152098 ~1985
380897976179597 ~1982
380905176181037 ~1982
3809137228548238 ~1984
380915976183197 ~1982
380933976186797 ~1982
Exp. Prime Factor Digits Year
3809461228567678 ~1984
3809591304767298 ~1984
3809639304771138 ~1984
3809753228585198 ~1984
3809857228591438 ~1984
380989176197837 ~1982
3809917228595038 ~1984
3809941228596478 ~1984
3809941838187038
381007176201437 ~1982
381008376201677 ~1982
3810097228605838 ~1984
3810409838289998 ~1985
38104091524163619
3810413228624798 ~1984
381041976208397 ~1982
38104971829038579 ~1986
3810511609681778 ~1985
3810553228633198 ~1984
38105631600436479 ~1986
3810643609702898 ~1985
3810733228643998 ~1984
381089976217997 ~1982
3811217228673038 ~1984
3811289533580478 ~1984
580
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25-07-08