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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
14227991284559838 ~1987
142292691992097679 ~1989
142297391422973919 ~1989
14229791284595838 ~1987
14230043284600878 ~1987
142300614553619539 ~1990
14230081853804878 ~1988
14230103284602078 ~1987
14230201853812078 ~1988
142304094553730899 ~1990
14230451284609038 ~1987
14230453853827198 ~1988
14230739284614798 ~1987
14230883284617678 ~1987
14231111284622238 ~1987
14231417853885038 ~1988
14231699284633998 ~1987
14232641853958478 ~1988
142328211138625699 ~1988
14233081853984878 ~1988
14233259284665198 ~1987
14233283284665678 ~1987
14234063284681278 ~1987
14234113854046798 ~1988
14234639284692798 ~1987
Exponent Prime Factor Digits Year
14234939284698798 ~1987
142350612277609779 ~1989
14235659284713198 ~1987
14235779284715598 ~1987
14235983284719678 ~1987
142365591138924739 ~1988
142365714555702739 ~1990
142376811139014499 ~1988
142377672278042739 ~1989
14237771284755438 ~1987
14238481854308878 ~1988
14239031284780638 ~1987
14239079284781598 ~1987
142392732278283699 ~1989
14239913854394798 ~1988
14240651284813038 ~1987
142407311424073119 ~1989
14240903284818078 ~1987
14241239284824798 ~1987
14241371284827438 ~1987
142420278260375679 ~1990
14242031284840638 ~1987
142421475696858819 ~1990
14242271284845438 ~1987
14242619284852398 ~1987
Exponent Prime Factor Digits Year
14242783888749659310 ~1993
14242993854579598 ~1988
14243153113945224110 ~1991
142435311139482499 ~1988
14243699284873998 ~1987
14243893854633598 ~1988
142447216552571679 ~1990
142449071424490719 ~1989
14245103284902078 ~1987
14245223284904478 ~1987
142455496837863539 ~1990
14245811284916238 ~1987
14245823284916478 ~1987
14245883284917678 ~1987
14245919284918398 ~1987
14246101854766078 ~1988
142461893419085379 ~1990
142462371139698979 ~1988
14246471284929438 ~1987
14247599284951998 ~1987
14247731284954638 ~1987
142481333419551939 ~1990
14248211284964238 ~1987
14248259284965198 ~1987
14248631284972638 ~1987
Exponent Prime Factor Digits Year
142486731994814239 ~1989
142492311139938499 ~1988
14249843284996878 ~1987
142502832280045299 ~1989
14250563285011278 ~1987
142506671425066719 ~1989
14251033855061998 ~1988
142510791140086339 ~1988
142511231425112319 ~1989
14251343285026878 ~1987
14251379285027598 ~1987
14251631285032638 ~1987
14251799285035998 ~1987
142518736555861599 ~1990
14252279285045598 ~1987
142526712565480799 ~1989
142526832280429299 ~1989
14252879285057598 ~1987
142528791140230339
14253023285060478 ~1987
142535817982005379 ~1990
14253623285072478 ~1987
14253731285074638 ~1987
142538235986605679 ~1990
142538512565693199 ~1989
1246
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25-10-20