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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
514799991029599999 ~1991
514810933088865599 ~1992
514814391029628799 ~1991
514824711029649439 ~1991
514836973089021839 ~1992
514842591029685199 ~1991
514847391029694799 ~1991
514848831029697679 ~1991
514850991029701999 ~1991
514854177207958399 ~1993
514864191029728399 ~1991
514873431029746879 ~1991
514874533089247199 ~1992
514879213089275279 ~1992
514899831029799679 ~1991
514900911029801839 ~1991
514916031029832079 ~1991
514924311029848639 ~1991
51493237123583768910 ~1994
514935831029871679 ~1991
514949031029898079 ~1991
514980711029961439 ~1991
514985715149857119 ~1993
514996311029992639 ~1991
515002191030004399 ~1991
Exponent Prime Factor Digits Year
515013111030026239 ~1991
515020431030040879 ~1991
515020791030041599 ~1991
515042631030085279 ~1991
515076114120608899 ~1993
515090213090541279 ~1992
515094591030189199 ~1991
515094831030189679 ~1991
515106591030213199 ~1991
515109111030218239 ~1991
51512009123628821710 ~1994
515132631030265279 ~1991
515143213090859279 ~1992
515156418242502579 ~1993
515158191030316399 ~1991
515164311030328639 ~1991
515167191030334399 ~1991
515177031030354079 ~1991
515178591030357199 ~1991
515193111030386239 ~1991
515197813091186879 ~1992
515220711030441439 ~1991
515223294121786339 ~1993
515226711030453439 ~1991
515246991030493999 ~1991
Exponent Prime Factor Digits Year
515252031030504079 ~1991
515254133091524799 ~1992
515254431030508879 ~1991
515257311030514639 ~1991
515264573091587439 ~1992
515265111030530239 ~1991
515276991030553999 ~1991
515277111030554239 ~1991
515277711030555439 ~1991
515277831030555679 ~1991
515291991030583999 ~1991
515297391030594799 ~1991
515297991030595999 ~1991
515312511030625039 ~1991
515313231030626479 ~1991
515324511030649039 ~1991
515330991030661999 ~1991
515332431030664879 ~1991
515334591030669199 ~1991
515334831030669679 ~1991
515336119276049999 ~1994
515346111030692239 ~1991
515356911030713839 ~1991
515358591030717199 ~1991
515393031030786079 ~1991
Exponent Prime Factor Digits Year
515410191030820399 ~1991
515415173092491039 ~1992
515423991030847999 ~1991
51542399123701757710
515425311030850639 ~1991
515430711030861439 ~1991
515431191030862399 ~1991
515432031030864079 ~1991
515440431030880879 ~1991
515450991030901999 ~1991
515466231030932479 ~1991
51546983216497328710 ~1994
515480391030960799 ~1991
515491911030983839 ~1991
515506431031012879 ~1991
515509914124079299 ~1993
515510991031021999 ~1991
515516274124130179 ~1993
515521911031043839 ~1991
515523231031046479 ~1991
515527791031055599 ~1991
515535591031071199 ~1991
515536333093217999 ~1992
515548794124390339 ~1993
51554933123731839310 ~1994
2171
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5.157.210 digits 		e-mail
25-11-02