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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
12689057761343438 ~1988
12689401761364078 ~1988
12689581761374878 ~1988
12689639253792798 ~1987
12689711253794238 ~1987
12689783253795678 ~1987
126900171776602399 ~1989
12690061761403678 ~1988
12690263253805278 ~1987
12690473761428398 ~1988
12690731253814638 ~1987
12690763791903611310 ~1993
12690971253819438 ~1987
12691223253824478 ~1987
12691631253832638 ~1987
12691691253833838 ~1987
12691697761501838 ~1988
12691717761503038 ~1988
126921791269217919 ~1988
126926231269262319 ~1988
12692921761575278 ~1988
12693193761591598 ~1988
12693221761593278 ~1988
12693599253871998 ~1987
12693671253873438 ~1987
Exponent Prime Factor Digits Year
126940634315981439 ~1990
12694573761674398 ~1988
12694813761688798 ~1988
12694991253899838 ~1987
126949912285098399
126953211015625699 ~1988
12695783253915678 ~1987
126959592285272639 ~1989
12696193761771598 ~1988
12696311253926238 ~1987
12696493761789598 ~1988
12696899253937998 ~1987
12696917761815038 ~1988
12696923253938478 ~1987
12697043253940878 ~1987
12697463253949278 ~1987
12697703253954078 ~1987
126977214063270739 ~1989
12697931253958638 ~1987
126979995079199619 ~1990
12698123253962478 ~1987
126982071015856579 ~1988
12698579253971598 ~1987
12698951253979038 ~1987
12699359253987198 ~1987
Exponent Prime Factor Digits Year
126994311015954499 ~1988
12699443253988878 ~1987
12699461761967678 ~1988
12699551253991038 ~1987
127001415842064879 ~1990
12700643254012878 ~1987
127014411016115299 ~1988
12701917762115038 ~1988
12702161762129678 ~1988
12702181762130878 ~1988
12702197762131838 ~1988
127022892794503599 ~1989
12702311254046238 ~1987
12702373762142398 ~1988
12702419254048398 ~1987
127024911016199299 ~1988
12702797762167838 ~1988
127030575843406239 ~1990
127033073048793699 ~1989
12703357762201438 ~1988
12703541762212478 ~1988
127035891016287139 ~1988
12703763254075278 ~1987
12704093762245598 ~1988
12704231254084638 ~1987
Exponent Prime Factor Digits Year
12704903254098078 ~1987
12705041762302478 ~1988
12705061762303678 ~1988
12705397762323838 ~1988
12705419254108398 ~1987
127055694065782099 ~1989
12706139254122798 ~1987
12706601762396078 ~1988
12706691254133838 ~1987
12706703254134078 ~1987
127068291016546339 ~1988
127069371778971199 ~1989
127072692795599199 ~1989
12707351254147038 ~1987
12707413762444798 ~1988
127078011016624099 ~1988
12708023254160478 ~1987
12708337762500238 ~1988
127083891016671139 ~1988
12708491254169838 ~1987
12708623254172478 ~1987
12708743254174878 ~1987
12708803254176078 ~1987
127088231270882319 ~1988
12709097762545838 ~1988
1232
GIMPS The Prime Pages FactorDb.com
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26-07-19