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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
128672232058755699 ~1989
12867311257346238 ~1986
12867443257348878 ~1986
12867611257352238 ~1986
12867719257354398 ~1986
12867779257355598 ~1986
128678391029427139 ~1988
12868319257366398 ~1986
12868343257366878 ~1986
12868463257369278 ~1986
128689911029519299 ~1988
12869413772164798 ~1988
128695671029565379 ~1988
128699334118378579 ~1989
128700791287007919 ~1988
12870541772232478 ~1988
12870899257417998 ~1986
12870971257419438 ~1986
12871451257429038 ~1986
12871583257431678 ~1986
12871613772296798 ~1988
128716311029730499 ~1988
128717511029740099 ~1988
12872003257440078 ~1986
12872039257440798 ~1986
Exponent Prime Factor Digits Year
12872423257448478 ~1986
12872933772375998 ~1988
12873041772382478 ~1988
12873083257461678 ~1986
12873197110709494310 ~1990
12873551257471038 ~1986
12873803257476078 ~1986
12874223257484478 ~1986
128742233089813539
128743271287432719 ~1988
12875003257500078 ~1986
128751291802518079 ~1989
128754972060079539 ~1989
12875771257515438 ~1986
12875903257518078 ~1986
12876161772569678 ~1988
12876179257523598 ~1986
12876491257529838 ~1986
12876659257533198 ~1986
128769531802773439 ~1989
12877223257544478 ~1986
12877379257547598 ~1986
12877703257554078 ~1986
12877883257557678 ~1986
12878111257562238 ~1986
Exponent Prime Factor Digits Year
12878483257569678 ~1986
12879239257584798 ~1986
12879623257592478 ~1986
12880151257603038 ~1986
128805231422009739311 ~1993
12880691257613838 ~1986
12880919257618398 ~1986
12881171257623438 ~1986
128812991288129919 ~1988
12881663257633278 ~1986
12881777772906638 ~1988
128820113349322879 ~1989
12882059257641198 ~1986
128821093864632719 ~1989
12882983257659678 ~1986
12883439257668798 ~1986
12883571257671438 ~1986
12884051257681038 ~1986
12884461773067678 ~1988
12884471257689438 ~1986
12884771257695438 ~1986
128848872061581939 ~1989
128848911030791299 ~1988
12885263257705278 ~1986
12885419257708398 ~1986
Exponent Prime Factor Digits Year
128854191030833539
12885443257708878 ~1986
12885581773134878 ~1988
12885959257719198 ~1986
128862171030897379 ~1988
12886241773174478 ~1988
12886661773199678 ~1988
128867712319618799 ~1989
12886931257738638 ~1986
128875875155034819 ~1990
12887603257752078 ~1986
12887713773262798 ~1988
128878693866360719 ~1989
128880675155226819 ~1990
12888131257762638 ~1986
12888143257762878 ~1986
12888277773296638 ~1988
12888311257766238 ~1986
12888319270654699110 ~1991
12888503257770078 ~1986
12888539257770798 ~1986
12888971257779438 ~1986
128896491031171939 ~1988
12889823257796478 ~1986
12890219257804398 ~1986
1106
GIMPS The Prime Pages FactorDb.com
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24-10-27