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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
11172443223448878 ~1986
111724795586239519 ~1989
11172481670348878 ~1987
111726073798686399 ~1989
11172677670360638 ~1987
11172857670371438 ~1987
11173499223469998 ~1986
11173559223471198 ~1986
11174027893922178 ~1988
11174171223483438 ~1986
11174459223489198 ~1986
111746993575903699 ~1989
111753232905583999 ~1989
11175491223509838 ~1986
11175737670544238 ~1987
111758114693840639 ~1989
11176211223524238 ~1986
11176439223528798 ~1986
11176577670594638 ~1987
11176703223534078 ~1986
11177363223547278 ~1986
11177591894207298 ~1988
11177711223554238 ~1986
11177759223555198 ~1986
11177773670666398 ~1987
Exponent Prime Factor Digits Year
11177951223559038 ~1986
111781571788505139 ~1988
111783311117833119 ~1988
11178971223579438 ~1986
11179121670747278 ~1987
11179271223585438 ~1986
11179331223586638 ~1986
111794177825591919 ~1990
11179501670770078 ~1987
11179559223591198 ~1986
11180651223613038 ~1986
11181431223628638 ~1986
11181539223630798 ~1986
11181959223639198 ~1986
11182043223640878 ~1986
11182307116295992910 ~1990
11182357670941438 ~1987
11182739223654798 ~1986
11182751223655038 ~1986
11182799223655998 ~1986
11182823223656478 ~1986
11182883223657678 ~1986
11182949894635938 ~1988
11183351223667038 ~1986
11183377671002638 ~1987
Exponent Prime Factor Digits Year
11183729894698338 ~1988
11183759223675198 ~1986
111840375144657039 ~1989
111841271118412719 ~1988
11184311223686238 ~1986
11184373671062398 ~1987
11184539223690798 ~1986
11184577671074638 ~1987
11184661671079678 ~1987
11184671223693438 ~1986
11184791223695838 ~1986
11185019223700398 ~1986
11185103223702078 ~1986
11185277671116638 ~1987
11185403223708078 ~1986
11185477178967632110 ~1991
11185871223717438 ~1986
11185931894874498 ~1988
11186237671174238 ~1987
11186519894921538 ~1988
11186531223730638 ~1986
11186639894931138 ~1988
11186711223734238 ~1986
11186723223734478 ~1986
11186741671204478 ~1987
Exponent Prime Factor Digits Year
11186951223739038 ~1986
11187401123061411110 ~1990
111875711118757119 ~1988
11187983223759678 ~1986
11188139223762798 ~1986
11188313671298798 ~1987
111883371566367199 ~1988
11188343223766878 ~1986
11188433671305998 ~1987
11188537671312238 ~1987
11188657671319438 ~1987
11188979223779598 ~1986
111890297832320319 ~1990
11189039223780798 ~1986
11189117671347038 ~1987
111892031790272499 ~1988
111892871118928719 ~1988
11189771223795438 ~1986
11189903223798078 ~1986
11190077895206178 ~1988
11190083161137195310 ~1991
11190299223805998 ~1986
11190401895232098 ~1988
11190637671438238 ~1987
11191331223826638 ~1986
1100
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25-09-07