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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
6856693411401598 ~1986
6856781548542498 ~1986
6856973411418398 ~1986
6857051548564098 ~1986
6857143685714318 ~1986
6857489548599138 ~1986
68575671782967439 ~1987
68577591234396639 ~1987
6857821411469278 ~1986
6858149548651938 ~1986
6858179137163598 ~1984
68583311234499599 ~1987
6858479137169598 ~1984
6859031137180638 ~1984
6859103137182078 ~1984
6859199548735938 ~1986
6859241411554478 ~1986
68592711234668799 ~1987
6859379137187598 ~1984
6859679137193598 ~1984
6859691137193838 ~1984
6859739137194798 ~1984
68603411509275039 ~1987
6860573411634398 ~1986
6860663137213278 ~1984
Exp. Prime Factor Digits Year
68606812058204319 ~1987
68608392332685279 ~1987
68608392881552399
6860963137219278 ~1984
6861119137222398 ~1984
6861203137224078 ~1984
6861311137226238 ~1984
6861377960592798 ~1986
6861809548944738 ~1986
68618097136281379
68619471646867299 ~1987
6862217548977378 ~1986
68624032882209279 ~1988
6862409960737278 ~1986
6862451137249038 ~1984
6862571137251438 ~1984
6862643137252878 ~1984
6862991137259838 ~1984
6863063137261278 ~1984
6863117411787038 ~1986
6863141411788478 ~1986
6863317411799038 ~1986
6863383912829939110 ~1991
6863471137269438 ~1984
6863513411810798 ~1986
Exp. Prime Factor Digits Year
6863669960913678 ~1986
6863711137274238 ~1984
6863723137274478 ~1984
6863771137275438 ~1984
6863819137276398 ~1984
6863891137277838 ~1984
6863897411833838 ~1986
6863953411837198 ~1986
6864089549127138 ~1986
68641271235542879 ~1987
6864239137284798 ~1984
6864239549139138
6864323137286478 ~1984
68644495354270239 ~1988
6864479137289598 ~1984
6864497411869838 ~1986
6864521296547307310 ~1990
6864601411876078 ~1986
6864661411879678 ~1986
6865007549200578 ~1986
68650091510301999 ~1987
6865057196340630310 ~1990
6865121549209698 ~1986
6865343137306878 ~1984
68653431784989199
Exp. Prime Factor Digits Year
6865499137309998 ~1984
6865499549239938
6865559137311198 ~1984
6865571137311438 ~1984
6865613411936798 ~1986
6865643137312878 ~1984
68656677826860399 ~1989
6865931137318638 ~1984
68659316728612399
68661371098581939 ~1987
68661431098582899 ~1987
68668871098701939 ~1987
6866983686698318 ~1986
68670192334786479 ~1987
6867437412046238 ~1986
6867599549407938 ~1986
6868079137361598 ~1984
68680791236254239
6868109549448738 ~1986
6868523137370478 ~1984
6868553412113198 ~1986
6868703137374078 ~1984
6868859549508738 ~1986
6869039137380798 ~1984
68691011511202239 ~1987
864
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26-07-05