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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.
Exponent Prime Factor Digits Year
13638623272772478 ~1987
136390071091120579 ~1988
13639079272781598 ~1987
13639319272786398 ~1987
13639331272786638 ~1987
13639841818390478 ~1988
13639937818396238 ~1988
13640401818424078 ~1988
136406211091249699 ~1988
13640699272813998 ~1987
136410836820541519 ~1990
13641203272824078 ~1987
13641263272825278 ~1987
13641533818491998 ~1988
13641623272832478 ~1987
13641697818501838 ~1988
13641839272836798 ~1987
13642283272845678 ~1987
13642523272850478 ~1987
13643099272861998 ~1987
13643711272874238 ~1987
13643933818635998 ~1988
13644203272884078 ~1987
136444611091556899 ~1988
13644671272893438 ~1987
Exponent Prime Factor Digits Year
13644731272894638 ~1987
13644733818683998 ~1988
136449372183189939 ~1989
13645393818723598 ~1988
136454477914359279 ~1990
13646771272935438 ~1987
13646999272939998 ~1987
13647001818820078 ~1988
13647041818822478 ~1988
13647097818825838 ~1988
13647143272942878 ~1987
136472472183559539 ~1989
136474333002435279 ~1989
13647611272952238 ~1987
13647839272956798 ~1987
13648031272960638 ~1987
13648391272967838 ~1987
13649099163789188110 ~1991
13649483272989678 ~1987
13649711272994238 ~1987
136499532183992499 ~1989
13650011273000238 ~1987
136500671365006719 ~1988
136505571911077999 ~1989
13650599273011998 ~1987
Exponent Prime Factor Digits Year
13651019273020398 ~1987
13651031273020638 ~1987
13651223273024478 ~1987
13651559273031198 ~1987
13651691273033838 ~1987
136518435733774079 ~1990
13652399273047998 ~1987
136526994368863699 ~1990
13652783273055678 ~1987
13652843273056878 ~1987
13653097819185838 ~1988
13653617819217038 ~1988
13653791273075838 ~1987
13653803273076078 ~1987
13654541819272478 ~1988
13654643273092878 ~1987
13654919273098398 ~1987
136551715735171839 ~1990
13655351371425547310 ~1992
13655363273107278 ~1987
13655459273109198 ~1987
13655659382358452110 ~1992
136561272458102879 ~1989
13656551273131038 ~1987
13656613819396798 ~1988
Exponent Prime Factor Digits Year
13656683273133678 ~1987
13657151273143038 ~1987
13657211273144238 ~1987
136572111092576899
136573494097204719 ~1990
13657493819449598 ~1988
136575472458358479 ~1989
13657739273154798 ~1987
136578072458405279 ~1989
136579072458423279 ~1989
13658171273163438 ~1987
13658303273166078 ~1987
136590733278177539 ~1989
136591333005009279 ~1989
13660019273200398 ~1987
136600212185603379 ~1989
13660117251346152910 ~1992
13660331273206638 ~1987
13660499273209998 ~1987
13660609292337032710 ~1992
136613271092906179 ~1988
13661339273226798 ~1987
13661603273232078 ~1987
13661759273235198 ~1987
13662179273243598 ~1987
1197
GIMPS The Prime Pages FactorDb.com
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25-07-08