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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
6085938949777 1965
60859511215618
6091925585997 1965
6092345083037 1965
60923146215218
60937316872418 1965
60943555800178 ~1975
610014880096 1965
61099383665060710 ~1979
611539784496 1965
61153264180978
61211176287698 1965
61211231377598
6123111021597 1965
6126118378317 1965
6128334318497 1965
613311226636 1965
61331294388818
6134345393837 1965
613579817136 1965
6135742949917
613813682876 1965
61409137556178 1965
614413686476 1965
6150735674077 1965
Exp. Prime Factor Digits Year
6151119683537 1965
61511232511598
615474923776 1965
61559285633778 1965
616138625836 1965
6161334503297
61627464667598 1965
6163729585777 1965
6163748076877
61637200936638
61651147962418 1965
617031234076 1965
617179874736 1965
6171759248337
6172370364237 1965
617511235036 1965
6175782754397 1965
61757548402178
6194923540637 1965
6198124792417 1965
61981197099598
619911239836 1965
620116201116 1965
620394963136 1965
6205748404477 1965
Exp. Prime Factor Digits Year
6208123590797 1965
6208144698337
620991241996 1965
6209985696637
62137147886078 1965
621711243436 1965
62171284743198
62191573401038 ~1975
622013732076 1965
6221338572077 1965
62219255097918 1965
62299125843998 1965
6232326175677 1965
623511247036 1965
6240128704477 1965
6241714980097 1965
624231248476 1965
624591249196 1965
62467204891778 1965
6247324989217 1965
62477134950338 1965
62497208739998 1965
6250731253517 1965
625911251836 1965
626031252076 1965
Exp. Prime Factor Digits Year
6262715030497 1965
62639136553038 1965
62701586881378 ~1975
6275395384577 1965
627916279116 1965
6279110046577
628191256396 1965
6281950255217
6285110056177 1965
62861110635378 1965
628738802236 1965
628978805596 1965
629215033696 1965
629695037536 1965
629716297116 1965
629813778876 1965
6298135269377
62989542965198 ~1975
63059162692238 1965
630733784396 1965
6307930277937 1965
6309715143297 1965
6310310096497 1965
63103102226878
631315050496 1965
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