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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
10302371206047438 ~1986
10302581618154878 ~1987
10302863206057278 ~1986
10302913618174798 ~1987
10303121618187278 ~1987
103031711030317119 ~1987
10303211206064238 ~1986
103035232678915999 ~1988
103038611648617779 ~1988
10303883206077678 ~1986
10304009824320738 ~1987
10304039206080798 ~1986
10304081618244878 ~1987
10304141824331298 ~1987
103042491442594879 ~1988
103042692473024579 ~1988
10304297618257838 ~1987
10304351824348098 ~1987
10304453618267198 ~1987
10304579206091598 ~1986
10305059206101198 ~1986
10305133618307998 ~1987
103052332473255939 ~1988
10305241618314478 ~1987
10305359206107198 ~1986
Exponent Prime Factor Digits Year
10305539206110798 ~1986
10305563206111278 ~1986
10305983206119678 ~1986
10306451206129038 ~1986
10306619206132398 ~1986
10306817618409038 ~1987
10307483206149678 ~1986
10307501824600098 ~1987
10307651206153038 ~1986
10307681618460878 ~1987
10308437618506238 ~1987
10308491206169838 ~1986
10308491824679298
10308563206171278 ~1986
10308791824703298 ~1987
10308803206176078 ~1986
103090034329781279 ~1989
10309283206185678 ~1986
10309319206186398 ~1986
10309417618565038 ~1987
10309619206192398 ~1986
103096271030962719 ~1987
10309889824791138 ~1987
10309919206198398 ~1986
10310039206200798 ~1986
Exponent Prime Factor Digits Year
10310057618603438 ~1987
103100776598449299 ~1989
103101011649616179 ~1988
10310213618612798 ~1987
10310291206205838 ~1986
10310759206215198 ~1986
10310903206218078 ~1986
10310999206219998 ~1986
10311011206220238 ~1986
10311011824880898
10311083206221678 ~1986
10311347824907778 ~1987
10311407824912578 ~1987
10311551206231038 ~1986
10311739282541648710 ~1991
10312091206241838 ~1986
10312277618736638 ~1987
10312619206252398 ~1986
10312919825033538 ~1987
10313021618781278 ~1987
10313063206261278 ~1986
10313423206268478 ~1986
103135031031350319 ~1987
10314061618843678 ~1987
10314371206287438 ~1986
Exponent Prime Factor Digits Year
10314443206288878 ~1986
103149592475590179 ~1988
10315031206300638 ~1986
10315391206307838 ~1986
10315631206312638 ~1986
10315751206315038 ~1986
10315997618959838 ~1987
10316723206334478 ~1986
10316897619013838 ~1987
10317061619023678 ~1987
10317071206341438 ~1986
10317161825372898 ~1987
10317253619035198 ~1987
10317277619036638 ~1987
10317371206347438 ~1986
10317401619044078 ~1987
103178991857221839 ~1988
10318013619080798 ~1987
10318163206363278 ~1986
10318733619123998 ~1987
10319173619150398 ~1987
10319237619154238 ~1987
10319501619170078 ~1987
10319773619186398 ~1987
103199091444787279 ~1988
1028
GIMPS The Prime Pages FactorDb.com
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25-04-13