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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
8480249678419938 ~1987
84806175427594899 ~1989
8480621508837278 ~1986
8480651169613038 ~1985
8480699678455938 ~1987
8481059169621198 ~1985
8481437508886238 ~1986
8481461508887678 ~1986
8481461678516898
84814811357036979 ~1987
8481881508912878 ~1986
8481911169638238 ~1985
8481983169639678 ~1985
8482277508936638 ~1986
8482343169646878 ~1985
8482403169648078 ~1985
8482559678604738 ~1987
8482913508974798 ~1986
8483003169660078 ~1985
8483261508995678 ~1986
8483539848353918 ~1987
8483593509015598 ~1986
8483653509019198 ~1986
8483759169675198 ~1985
8483779848377918 ~1987
Exp. Prime Factor Digits Year
8483897509033838 ~1986
8483963169679278 ~1985
8484053509043198 ~1986
8484181509050878 ~1986
8484577509074638 ~1986
8485199169703998 ~1985
8485327848532718 ~1987
8485331169706638 ~1985
8485391169707838 ~1985
84855172036524099 ~1988
8485619169712398 ~1985
8485859169717198 ~1985
84858913564074239 ~1988
8486117509167038 ~1986
8486197509171838 ~1986
8486279169725598 ~1985
8486339169726798 ~1985
84863993564287599 ~1988
84867172546015119 ~1988
8487173509230398 ~1986
8487239169744798 ~1985
8487293509237598 ~1986
84872932036950339
8487863169757278 ~1985
8487953509277198 ~1986
Exp. Prime Factor Digits Year
8488379169767598 ~1985
8488583169771678 ~1985
8488871169777438 ~1985
8488919169778398 ~1985
8489011848901118 ~1987
8489053509343198 ~1986
8489357509361438 ~1986
8489423169788478 ~1985
8489527848952718 ~1987
8489543169790878 ~1985
8489597509375838 ~1986
84897294075069939 ~1988
8489777509386638 ~1986
8489891169797838 ~1985
84899272207381039 ~1988
8489951169799038 ~1985
8490143169802878 ~1985
8490233509413998 ~1986
84904138150796499 ~1989
8490491169809838 ~1985
8490491679239298
8490563169811278 ~1985
8490623169812478 ~1985
8490793509447598 ~1986
849091723271905313712 ~1995
Exp. Prime Factor Digits Year
8491033509461998 ~1986
8491319169826398 ~1985
84913372037920899 ~1988
8491391169827838 ~1985
84914871528467679 ~1987
8491543849154318 ~1987
8491583169831678 ~1985
8491643169832878 ~1985
8491741509504478 ~1986
8491753509505198 ~1986
8491817509509038 ~1986
8491933509515998 ~1986
8491943169838878 ~1985
8492039679363138 ~1987
8492111169842238 ~1985
8492303169846078 ~1985
8492417509545038 ~1986
8492521509551278 ~1986
8492831169856638 ~1985
8492917509575038 ~1986
8493311169866238 ~1985
8493671169873438 ~1985
8493841509630478 ~1986
8494231849423118 ~1987
8494439169888798 ~1985
936
GIMPS The Prime Pages FactorDb.com
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25-07-08