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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
6905579138111598 ~1984
6905831138116638 ~1984
69059471243070479 ~1987
6906017966842398 ~1986
6906041552483298 ~1986
6906143138122878 ~1984
69062572624377679 ~1988
6906551552524098 ~1986
6906719138134398 ~1984
69070313315374899 ~1988
6907111690711118 ~1986
6907139138142798 ~1984
6907217552577378 ~1986
6907247552579778 ~1986
6907259138145198 ~1984
6907319138146398 ~1984
6907409552592738 ~1986
6907553414453198 ~1986
6907561414453678 ~1986
6907679138153598 ~1984
6908411138168238 ~1984
6908557414513438 ~1986
69085812072574319 ~1987
6908969552717538 ~1986
6909011138180238 ~1984
Exp. Prime Factor Digits Year
6909041414542478 ~1986
6909323138186478 ~1984
6909359552748738 ~1986
6909379106404436710 ~1989
6909457414567438 ~1986
6909503138190078 ~1984
6909533967334638 ~1986
6909659552772738 ~1986
6909923138198478 ~1984
6910187552814978 ~1986
69103331520273279 ~1987
6910523138210478 ~1984
6910703138214078 ~1984
6910979138219598 ~1984
6911291138225838 ~1984
6911423138228478 ~1984
6911461414687678 ~1986
6911759552940738 ~1986
69118572073557119 ~1987
6911873414712398 ~1986
6911939138238798 ~1984
6911987552958978 ~1986
6912011138240238 ~1984
6912131138242638 ~1984
6912203138244078 ~1984
Exp. Prime Factor Digits Year
6912281414736878 ~1986
6912359138247198 ~1984
6912461414747678 ~1986
6912623138252478 ~1984
6912683138253678 ~1984
69127691659064579 ~1987
6912833414769998 ~1986
6912953414777198 ~1986
69129772626931279 ~1988
6913019138260398 ~1984
6913079138261598 ~1984
6913121414787278 ~1986
6913331138266638 ~1984
6913331553066498
6913541414812478 ~1986
6913607553088578 ~1986
6913631138272638 ~1984
6913799138275998 ~1984
6913799553103938
6913859138277198 ~1984
6913877414832638 ~1986
69139931521078479 ~1987
6914113414846798 ~1986
6914129553130338 ~1986
6914213967989838 ~1986
Exp. Prime Factor Digits Year
69142512903985439 ~1988
6914279138285598 ~1984
6914339553147138 ~1986
6914729553178338 ~1986
6914783138295678 ~1984
69147835116939439
6914933414895998 ~1986
6915119138302398 ~1984
6915299138305998 ~1984
6915431138308638 ~1984
6915431553234498
6915851138317038 ~1984
6915911138318238 ~1984
69160271106564339 ~1987
6916439553315138 ~1986
6916493414989598 ~1986
6916697415001838 ~1986
6916799553343938 ~1986
69168371106693939 ~1987
69169192905105999 ~1988
6916961553356898 ~1986
6917063138341278 ~1984
6917153415029198 ~1986
6917243138344878 ~1984
69173271660158499 ~1987
821
GIMPS The Prime Pages FactorDb.com
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25-04-13