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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
12959399259187998 ~1987
129595791036766339 ~1988
129596591295965919 ~1988
129598011036784099 ~1988
12959819259196398 ~1987
12959939259198798 ~1987
129601631296016319 ~1988
12960191259203838 ~1987
12960719259214398 ~1987
12960901777654078 ~1988
12961499259229998 ~1987
129614999332279299
129615671296156719 ~1988
12961691259233838 ~1987
129618674407034799 ~1990
12961919259238398 ~1987
129619872333157679 ~1989
12962003259240078 ~1987
12962933777775998 ~1988
12963143259262878 ~1987
12964079259281598 ~1987
12964271259285438 ~1987
12964493777869598 ~1988
12964499259289998 ~1987
129645972074335539 ~1989
Exponent Prime Factor Digits Year
12964751259295038 ~1987
12964823259296478 ~1987
12965159259303198 ~1987
12965171259303438 ~1987
129651771037214179 ~1988
12965219259304398 ~1987
12965783259315678 ~1987
12966071259321438 ~1987
129666612074665779 ~1989
12966851259337038 ~1987
12967121142638331110 ~1991
12967133778027998 ~1988
12967151259343038 ~1987
12967679259353598 ~1987
12967859259357198 ~1987
12968077778084638 ~1988
12968519259370398 ~1987
12968797778127838 ~1988
12969083259381678 ~1987
129694035187761219 ~1990
12969839259396798 ~1987
129700511297005119 ~1988
12970151259403038 ~1987
12970211259404238 ~1987
12970577778234638 ~1988
Exponent Prime Factor Digits Year
129706914150621139 ~1989
12970823259416478 ~1987
12970933778255998 ~1988
12970981778258878 ~1988
12971111259422238 ~1987
12971351259427038 ~1987
12971411259428238 ~1987
12972577778354638 ~1988
12972803259456078 ~1987
12972959259459198 ~1987
12973211259464238 ~1987
12973223259464478 ~1987
12973463259469278 ~1987
12973871259477438 ~1987
129739311037914499 ~1988
129743415968196879 ~1990
12974711259494238 ~1987
12974831259496638 ~1987
129748391297483919 ~1988
12975113778506798 ~1988
12975491259509838 ~1987
12975533778531998 ~1988
12975563259511278 ~1987
12975649101210062310 ~1990
12975797778547838 ~1988
Exponent Prime Factor Digits Year
12975953778557198 ~1988
129765112335771999 ~1989
12976793778607598 ~1988
12976877778612638 ~1988
12977233778633998 ~1988
12977411259548238 ~1987
129774113374126879
12977831259556638 ~1987
129779271038234179 ~1988
12977999259559998 ~1987
129783735191349219 ~1990
12978401778704078 ~1988
12978431259568638 ~1987
12978659259573198 ~1987
12978683259573678 ~1987
12978851259577038 ~1987
12978853778731198 ~1988
12979453778767198 ~1988
12979601778776078 ~1988
12979643259592878 ~1987
1298011763599977276712 ~1997
129801891817226479 ~1989
12980393778823598 ~1988
12981011259620238 ~1987
12981253778875198 ~1988
1154
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25-05-04