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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
39970739799414798 ~1990
39971219799424398 ~1990
39971363799427278 ~1990
399714732398288399 ~1992
39971579799431598 ~1990
39971759799435198 ~1990
39972059799441198 ~1990
39972743799454878 ~1990
399728332398369999 ~1992
39972851799457038 ~1990
39972923799458478 ~1990
39973331799466638 ~1990
39973751799475038 ~1990
399744799593874979 ~1993
39974843799496878 ~1990
39975119799502398 ~1990
39975263799505278 ~1990
39975371799507438 ~1990
39977039799540798 ~1990
39977219799544398 ~1990
39977771799555438 ~1990
39977891799557838 ~1990
39978371799567438 ~1990
39978539799570798 ~1990
39978671799573438 ~1990
Exponent Prime Factor Digits Year
39978923799578478 ~1990
39979031799580638 ~1990
39979151799583038 ~1990
39979273279854911110 ~1994
39980051799601038 ~1990
39980459799609198 ~1990
39981131799622638 ~1990
39981503799630078 ~1990
39981803799636078 ~1990
39981863799637278 ~1990
39982499799649998 ~1990
399832332398993999 ~1992
39983423799668478 ~1990
399837895597730479 ~1992
39984599799691998 ~1990
39984611799692238 ~1990
39985019799700398 ~1990
399857113998571119 ~1992
39985763799715278 ~1990
39986591799731838 ~1990
399881335598338639 ~1992
39988703799774078 ~1990
39988859799777198 ~1990
39989051799781038 ~1990
399890772399344639 ~1992
Exponent Prime Factor Digits Year
39989399799787998 ~1990
39989723799794478 ~1990
39989759799795198 ~1990
39990299799805998 ~1990
39990719799814398 ~1990
39991331799826638 ~1990
39992399799847998 ~1990
39992651799853038 ~1990
39993419799868398 ~1990
39993509247959755910 ~1994
39993599799871998 ~1990
39995159799903198 ~1990
39995639799912798 ~1990
39996431799928638 ~1990
39996683799933678 ~1990
39996899799937998 ~1990
399969972399819839 ~1992
39997019799940398 ~1990
39997043799940878 ~1990
39997511799950238 ~1990
39997823799956478 ~1990
39997871799957438 ~1990
39998111799962238 ~1990
39998243799964878 ~1990
39998663799973278 ~1990
Exponent Prime Factor Digits Year
39998891799977838 ~1990
39999023799980478 ~1990
39999143799982878 ~1990
39999203799984078 ~1990
39999779799995598 ~1990
39999803799996078 ~1990
40000223800004478 ~1990
40001231800024638 ~1990
40001303800026078 ~1990
400013594000135919 ~1992
400016572400099439 ~1992
40001771800035438 ~1990
40001999800039998 ~1990
40002659800053198 ~1990
40003391800067838 ~1990
40003511800070238 ~1990
400042034000420319 ~1992
40004351800087038 ~1990
40004483800089678 ~1990
40005011800100238 ~1990
40006931800138638 ~1990
400098412400590479 ~1992
40010011352088096910 ~1994
40010051800201038 ~1990
40010543800210878 ~1990
2145
GIMPS The Prime Pages FactorDb.com
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26-07-19