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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
39978923799578478 ~1990
39979031799580638 ~1990
39979151799583038 ~1990
39979273279854911110 ~1994
39980051799601038 ~1990
39980459799609198 ~1990
39981503799630078 ~1990
39981803799636078 ~1990
39981863799637278 ~1990
399832332398993999 ~1992
39983423799668478 ~1990
399837895597730479 ~1992
39984599799691998 ~1990
39984611799692238 ~1990
39985019799700398 ~1990
399857113998571119 ~1992
39985763799715278 ~1990
39986591799731838 ~1990
399881335598338639 ~1992
39989051799781038 ~1990
399890772399344639 ~1992
39989723799794478 ~1990
39990719799814398 ~1990
39991331799826638 ~1990
39992399799847998 ~1990
Exponent Prime Factor Digits Year
39992651799853038 ~1990
39996683799933678 ~1990
39997019799940398 ~1990
39997823799956478 ~1990
39997871799957438 ~1990
39998111799962238 ~1990
39999779799995598 ~1990
40000223800004478 ~1990
400016572400099439 ~1992
40001771800035438 ~1990
40002659800053198 ~1990
40004351800087038 ~1990
40004483800089678 ~1990
40006931800138638 ~1990
400098412400590479 ~1992
40010011352088096910 ~1994
40010051800201038 ~1990
40010543800210878 ~1990
400110676401770739 ~1993
40011299800225998 ~1990
40011479800229598 ~1990
40011623800232478 ~1990
40014083800281678 ~1990
400146972400881839 ~1992
40015091800301838 ~1990
Exponent Prime Factor Digits Year
40016891800337838 ~1990
400173012401038079 ~1992
40017671800353438 ~1990
40018031800360638 ~1990
400182132401092799 ~1992
40018703800374078 ~1990
400194076403105139 ~1993
40019939800398798 ~1990
40020443800408878 ~1990
40020731800414638 ~1990
400208095602913279 ~1992
400208099604994179
40021259800425198 ~1990
400219732401318399 ~1992
400225034002250319 ~1992
40022903800458078 ~1990
40023143800462878 ~1990
40023551800471038 ~1990
400244234002442319 ~1992
400261973202095779 ~1992
400284772401708639 ~1992
40029851800597038 ~1990
400304213202433699 ~1992
400305916404894579 ~1993
400310291337036368711 ~1996
Exponent Prime Factor Digits Year
40031279800625598 ~1990
40031363800627278 ~1990
400321013202568099 ~1992
400333732402002399 ~1992
400339516405432179 ~1993
40034231800684638 ~1990
40034399800687998 ~1990
400352712634320831911 ~1997
40035371800707438 ~1990
400355093202840739 ~1992
400355993202847939 ~1992
40036091800721838 ~1990
400368612402211679 ~1992
400373599608966179 ~1993
40037831800756638 ~1990
40038191800763838 ~1990
40038983800779678 ~1990
40039801120119403110 ~1993
40040411800808238 ~1990
40041983800839678 ~1990
40042043800840878 ~1990
40042631800852638 ~1990
40044083800881678 ~1990
40044131800882638 ~1990
40044479800889598 ~1990
1949
GIMPS The Prime Pages FactorDb.com
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25-06-29