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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
159789673834952099 ~1990
15979259319585198 ~1987
15979283319585678 ~1987
159793671278349379 ~1989
15979559319591198 ~1987
15979751319595038 ~1987
15980819319616398 ~1987
15981263319625278 ~1987
15981323319626478 ~1987
15981611319632238 ~1987
15981781958906878 ~1988
159818511278548099 ~1989
159820371278562979 ~1989
15982133958927998 ~1988
159827219909287039 ~1991
15982943319658878 ~1987
15983771319675438 ~1987
15984119319682398 ~1987
15984179319683598 ~1987
15984803319696078 ~1987
15984821959089278 ~1988
15984911156652127910 ~1991
15984971319699438 ~1987
159849714156092479
15985199319703998 ~1987
Exponent Prime Factor Digits Year
15985451319709038 ~1987
15985919319718398 ~1987
15986291319725838 ~1987
15986417959185038 ~1988
15987011319740238 ~1987
15987863374115994310 ~1992
159880031598800319 ~1989
159883391598833919 ~1989
15988523319770478 ~1987
15988799319775998 ~1987
159890037994501519 ~1991
15989437959366238 ~1988
159895916715628239 ~1990
15989723319794478 ~1987
15989951319799038 ~1987
15990263319805278 ~1987
15990791319815838 ~1987
15991403319828078 ~1987
15991993959519598 ~1988
15992159319843198 ~1987
159926097676452339 ~1991
15992783319855678 ~1987
15993143319862878 ~1987
159942072559073139 ~1989
159942471279539779 ~1989
Exponent Prime Factor Digits Year
15994343319886878 ~1987
159945291279562339 ~1989
159947571279580579 ~1989
159949392879089039 ~1990
15995099319901998 ~1987
15995939319918798 ~1987
15996083319921678 ~1987
15996251319925038 ~1987
15996503319930078 ~1987
15996637959798238 ~1988
15997571319951438 ~1987
15997979319959598 ~1987
159981374799441119 ~1990
15998197959891838 ~1988
159983712879706799 ~1990
15998663319973278 ~1987
159986691279893539 ~1989
15999251319985038 ~1987
15999383319987678 ~1987
15999419319988398 ~1987
15999551319991038 ~1987
16000511320010238 ~1987
16001159320023198 ~1987
16001171320023438 ~1987
160012318000615519 ~1991
Exponent Prime Factor Digits Year
16001593960095598 ~1988
160016811280134499 ~1989
160018015120576339 ~1990
160022991280183939 ~1989
16002803320056078 ~1987
16003343320066878 ~1987
16003391320067838 ~1987
16004713960282798 ~1988
16004741960284478 ~1988
160048191280385539 ~1989
16005001960300078 ~1988
16005023320100478 ~1987
160058391280467139 ~1989
160058597682812339 ~1991
160060495121935699 ~1990
16006499320129998 ~1987
160065532240917439 ~1989
16006937960416238 ~1988
160070831600708319 ~1989
16007483320149678 ~1987
160077431600774319 ~1989
160080111280640899 ~1989
16008071320161438 ~1987
16008743320174878 ~1987
16009043320180878 ~1987
1324
GIMPS The Prime Pages FactorDb.com
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25-11-17