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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
6436151128723038 ~1984
6436211128724238 ~1984
6436379128727598 ~1984
6436589514927138 ~1986
6437021514961698 ~1986
6437303128746078 ~1984
6437423128748478 ~1984
6437663128753278 ~1984
6437699128753998 ~1984
6437887643788718 ~1986
64379571545109699 ~1987
64380791545138979 ~1987
6438143128762878 ~1984
6438251128765038 ~1984
6438431128768638 ~1984
64384571030153139 ~1986
64386611030185779 ~1986
6438893386333598 ~1985
6438923128778478 ~1984
6439177386350638 ~1985
6439259128785198 ~1984
6439619128792398 ~1984
6439703128794078 ~1984
6439949515195938 ~1986
6440099128801998 ~1984
Exp. Prime Factor Digits Year
6440429901660078 ~1986
6440459128809198 ~1984
6440459515236738
64405431545730339 ~1987
6440771128815438 ~1984
64408091545794179 ~1987
6440831128816638 ~1984
6440881386452878 ~1985
6440891128817838 ~1984
6441119128822398 ~1984
6441163644116318 ~1986
6441241386474478 ~1985
64413191159437439 ~1986
6441371128827438 ~1984
6441389515311138 ~1986
6441499644149918 ~1986
64415271159474879 ~1986
6441569515325538 ~1986
64419071159543279 ~1986
6441977515358178 ~1986
64419773478667599
6442057386523438 ~1985
6442223128844478 ~1984
6442283128845678 ~1984
6442361386541678 ~1985
Exp. Prime Factor Digits Year
6442427515394178 ~1986
6442573386554398 ~1985
6442763128855278 ~1984
64428014638816739 ~1988
6442811128856238 ~1984
6442937515434978 ~1986
6442979128859598 ~1984
64432931546390339 ~1987
6443399515471938 ~1986
6443483128869678 ~1984
6443537386612238 ~1985
6443537515482978
6443543128870878 ~1984
6443573902100238 ~1986
6443743644374318 ~1986
6443903128878078 ~1984
6443953386637198 ~1985
6444041515523298 ~1986
6444197386651838 ~1985
64442711159968799 ~1986
6444637386678238 ~1985
6444803128896078 ~1984
64448591546766179 ~1987
6444979181748407910 ~1989
6445079128901598 ~1984
Exp. Prime Factor Digits Year
6445223128904478 ~1984
6445391128907838 ~1984
6445459644545918 ~1986
6445559128911198 ~1984
6445739128914798 ~1984
6445811128916238 ~1984
6445823128916478 ~1984
6445919128918398 ~1984
64462031031392499 ~1986
6446243128924878 ~1984
6446267515701378 ~1986
6446347644634718 ~1986
6446351128927038 ~1984
6446353386781198 ~1985
6446633386797998 ~1985
6446711128934238 ~1984
6446939128938798 ~1984
6447179128943598 ~1984
6447277386836638 ~1985
6447283644728318 ~1986
6447317515785378 ~1986
6447557515804578 ~1986
64477671547464099 ~1987
64479231547501539 ~1987
6447929902710078 ~1986
797
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25-07-08