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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
26053823521076478 ~1989
26053931521078638 ~1989
260546714689840799 ~1991
26054711521094238 ~1989
26055299521105998 ~1989
26055983521119678 ~1989
26056763521135278 ~1989
26056883521137678 ~1989
26057543521150878 ~1989
26057831521156638 ~1989
26058143521162878 ~1989
26058251521165038 ~1989
260584632605846319 ~1991
26058743521174878 ~1989
26060663521213278 ~1989
26060819521216398 ~1989
26061779521235598 ~1989
26062031521240638 ~1989
26062451521249038 ~1989
26063399521267998 ~1989
26063879521277598 ~1989
26064803521296078 ~1989
26065103521302078 ~1989
260653633482332496911 ~1996
26065379521307598 ~1989
Exponent Prime Factor Digits Year
26065499521309998 ~1989
260656312085250499 ~1990
260676731564060399 ~1990
260677731564066399 ~1990
26068079521361598 ~1989
26068151521363038 ~1989
260683211564099279 ~1990
26068859521377198 ~1989
260692972085543779 ~1990
26069903521398078 ~1989
26070959521419198 ~1989
26071763521435278 ~1989
26072171521443438 ~1989
260727011564362079 ~1990
26072723521454478 ~1989
26073023521460478 ~1989
26073143521462878 ~1989
26074091521481838 ~1989
26074199521483998 ~1989
26074343521486878 ~1989
26075279521505598 ~1989
26075519521510398 ~1989
26075711521514238 ~1989
26076551521531038 ~1989
26077391521547838 ~1989
Exponent Prime Factor Digits Year
260774771564648639 ~1990
26077703521554078 ~1989
26078257119959982310 ~1992
26078831521576638 ~1989
26079083521581678 ~1989
260791011564746079 ~1990
26079659521593198 ~1989
26079719521594398 ~1989
26079899521597998 ~1989
26079983521599678 ~1989
26080259521605198 ~1989
26080583521611678 ~1989
260807531564845199 ~1990
260809331564855999 ~1990
26081579521631598 ~1989
26081603521632078 ~1989
26081833140841898310 ~1992
260821133651495839 ~1991
260827612086620899 ~1990
26082911521658238 ~1989
260832312608323119 ~1991
26083619521672398 ~1989
260839973651759599 ~1991
260840571565043439 ~1990
26084351521687038 ~1989
Exponent Prime Factor Digits Year
260847312608473119 ~1991
260853412086827299 ~1990
260857396260577379 ~1992
26085959521719198 ~1989
26086691521733838 ~1989
26086799521735998 ~1989
26087063521741278 ~1989
260871617826148319 ~1992
26087219521744398 ~1989
26087339521746798 ~1989
260874173652238399 ~1991
26087651521753038 ~1989
26087903521758078 ~1989
260880171565281039 ~1990
260881576261157699 ~1992
26088323521766478 ~1989
260884731565308399 ~1990
26088631292192667310 ~1993
26088743521774878 ~1989
260887872608878719 ~1991
26089103521782078 ~1989
26089379521787598 ~1989
26090951521819038 ~1989
260917815740191839 ~1991
260920211565521279 ~1990
1606
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25-04-13