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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
9825191196503838 ~1986
9825191786015298
9825443196508878 ~1986
98256498646571139 ~1990
9825653589539198 ~1987
9825659196513198 ~1986
9826343196526878 ~1986
9826393589583598 ~1987
9826777589606638 ~1987
9827063196541278 ~1986
9827243196544878 ~1986
9827399196547998 ~1986
9827633589657998 ~1987
9827821589669278 ~1987
9827879196557598 ~1986
9827981786238498 ~1987
9828017589681038 ~1987
98280676486524239 ~1989
9828097589685838 ~1987
9828179196563598 ~1986
9828341589700478 ~1987
9828653589719198 ~1987
9828827141535108910 ~1990
9828997589739838 ~1987
9829021589741278 ~1987
Exp. Prime Factor Digits Year
9829091196581838 ~1986
9829343196586878 ~1986
9829481589768878 ~1987
9829493589769598 ~1987
9829643196592878 ~1986
9830053589803198 ~1987
9830057589803438 ~1987
9830351196607038 ~1986
9830651196613038 ~1986
9830759196615198 ~1986
9830897589853838 ~1987
9831119196622398 ~1986
98313611573017779 ~1988
9831803196636078 ~1986
9832093589925598 ~1987
9832133589927998 ~1987
98323271573172339 ~1988
9832637589958238 ~1987
9832643196652878 ~1986
9832813589968798 ~1987
9833039196660798 ~1986
9833303196666078 ~1986
9833561590013678 ~1987
98340791770134239 ~1988
9834173590050398 ~1987
Exp. Prime Factor Digits Year
9834299196685998 ~1986
9834373590062398 ~1987
98344132360259139 ~1988
98344919637801199 ~1990
9834983196699678 ~1986
9835999983599918 ~1987
9836003196720078 ~1986
9836159196723198 ~1986
9836201590172078 ~1987
9836363196727278 ~1986
9836399196727998 ~1986
9836417786913378 ~1987
9836573590194398 ~1987
9836681786934498 ~1987
98366813147737939
9836993590219598 ~1987
9837083196741678 ~1986
9837313590238798 ~1987
9837439983743918 ~1987
9837851196757038 ~1986
9838133590287998 ~1987
9838207983820718 ~1987
9838259196765198 ~1986
9838379196767598 ~1986
9838397590303838 ~1987
Exp. Prime Factor Digits Year
9838553590313198 ~1987
9838877590332638 ~1987
9838943196778878 ~1986
9839021590341278 ~1987
9839339196786798 ~1986
9839509328639600710 ~1991
9839681590380878 ~1987
9839897787191778 ~1987
98399111574385779 ~1988
9839941590396478 ~1987
9839987787198978 ~1987
9840179196803598 ~1986
9840199984019918 ~1987
9840317590419038 ~1987
9840431196808638 ~1986
9840503196810078 ~1986
9840577590434638 ~1987
9841037590462238 ~1987
9841157787292578 ~1987
9841319196826398 ~1986
9841379196827598 ~1986
9841597590495838 ~1987
9841703196834078 ~1986
9842279196845598 ~1986
9842297590537838 ~1987
1015
GIMPS The Prime Pages FactorDb.com
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25-07-08