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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
88109991585979839 ~1988
88110071409761139 ~1987
8811251176225038 ~1985
8811359176227198 ~1985
8811373528682398 ~1986
8811479176229598 ~1985
8811851176237038 ~1985
8812439176248798 ~1985
8812673528760398 ~1986
8812961705036898 ~1987
88131077931796319 ~1989
8813543176270878 ~1985
8813639176272798 ~1985
8813771176275438 ~1985
8813993528839598 ~1986
8814479176289598 ~1985
8814479705158338
8814671176293438 ~1985
88148513702237439 ~1988
8814913528894798 ~1986
8815021528901278 ~1986
8815063881506318 ~1987
8815283176305678 ~1985
8815403176308078 ~1985
8815421528925278 ~1986
Exp. Prime Factor Digits Year
8815769705261538 ~1987
8815973528958398 ~1986
8816243176324878 ~1985
8816303176326078 ~1985
8816317528979038 ~1986
88163172115916099
88165794408289519 ~1989
8816987705358978 ~1987
8817023176340478 ~1985
8817077705366178 ~1987
8817241529034478 ~1986
8817541529052478 ~1986
8817563176351278 ~1985
8817839176356798 ~1985
8817839705427138
8817863176357278 ~1985
8818037705442978 ~1987
88182532116380739 ~1988
8818673529120398 ~1986
8818681529120878 ~1986
8818811176376238 ~1985
8819003176380078 ~1985
8819191881919118 ~1987
8819207705536578 ~1987
8819351176387038 ~1985
Exp. Prime Factor Digits Year
8819423176388478 ~1985
8819467881946718 ~1987
8819561529173678 ~1986
8819621529177278 ~1986
8820041529202478 ~1986
8820083176401678 ~1985
8820299176405998 ~1985
8820803176416078 ~1985
8820857705668578 ~1987
8820961529257678 ~1986
88213131234983839 ~1987
8821919176438398 ~1985
8821979176439598 ~1985
8822161529329678 ~1986
8822171176443438 ~1985
8822189705775138 ~1987
88222912823133139 ~1988
8822533529351998 ~1986
8822623882262318 ~1987
8822843176456878 ~1985
8822939176458798 ~1985
8823293529397598 ~1986
88234132647023919 ~1988
8823539176470798 ~1985
8823553529413198 ~1986
Exp. Prime Factor Digits Year
8823653529419198 ~1986
8823707705896578 ~1987
88237196529552079 ~1989
8823791176475838 ~1985
8823851176477038 ~1985
88242292117814979 ~1988
8824583176491678 ~1985
8824811176496238 ~1985
8824877705990178 ~1987
8824901705992098 ~1987
8825213529512798 ~1986
8825231176504638 ~1985
8825263882526318 ~1987
8825321706025698 ~1987
8825543176510878 ~1985
8825561706044898 ~1987
8825651176513038 ~1985
8825819176516398 ~1985
8825867706069378 ~1987
8825891176517838 ~1985
8826019882601918 ~1987
8826221529573278 ~1986
8826221706097698
8826253529575198 ~1986
8826371176527438 ~1985
981
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26-01-11