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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
26041859520837198 ~1989
26041871520837438 ~1989
26043863520877278 ~1989
26044019520880398 ~1989
260442292083538339 ~1990
26044643520892878 ~1989
26045531520910638 ~1989
260459693646435679 ~1991
26046323520926478 ~1989
260466971562801839 ~1990
26046791520935838 ~1989
260478735730532079 ~1991
260489099898585439 ~1992
26049071520981438 ~1989
26049251520985038 ~1989
26049371520987438 ~1989
260502533647035439 ~1991
260504812084038499 ~1990
26050499521009998 ~1989
26051159521023198 ~1989
26052683521053678 ~1989
26052863521057278 ~1989
26053211521064238 ~1989
26053523521070478 ~1989
26053739521074798 ~1989
Exponent Prime Factor Digits Year
26053799521075998 ~1989
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
260627272085018179 ~1990
26063399521267998 ~1989
26063879521277598 ~1989
26064803521296078 ~1989
26065103521302078 ~1989
Exponent Prime Factor Digits Year
260653633482332496911 ~1996
26065379521307598 ~1989
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
Exponent Prime Factor Digits Year
26076551521531038 ~1989
26077391521547838 ~1989
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
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25-05-04