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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.
Exp. Prime Factor Digits Year
499262399852477 ~1983
4992677698974798 ~1985
49926771497803119
4992833299569998 ~1985
4993123798899698 ~1986
499328399865677 ~1983
4993433299605998 ~1985
4993517299611038 ~1985
499355999871197 ~1983
49938171198516099 ~1986
4993837299630238 ~1985
4993843499384318 ~1985
49939091198538179 ~1986
4993987499398718 ~1985
4994117299647038 ~1985
4994233299653998 ~1985
4994263499426318 ~1985
4994357299661438 ~1985
4994621299677278 ~1985
4994659499465918 ~1985
4994819399585538 ~1985
499490399898077 ~1983
4995007499500718 ~1985
4995041299702478 ~1985
4995041399603298
Exp. Prime Factor Digits Year
4995073799211698 ~1986
4995281299716878 ~1985
4995377699352798 ~1985
499538399907677 ~1983
4995457299727438 ~1985
49955033596762179 ~1987
4995553299733198 ~1985
4995581299734878 ~1985
4995713299742798 ~1985
499571999914397 ~1983
499577999915597 ~1983
499586399917277 ~1983
499592399918477 ~1983
4996273299776398 ~1985
499631999926397 ~1983
4996349699488878 ~1985
49964231199141539 ~1986
4996457699503998 ~1985
4996553699517438 ~1985
499655999931197 ~1983
499661999932397 ~1983
4996627499662718 ~1985
4996637399730978 ~1985
499667999933597 ~1983
4996697299801838 ~1985
Exp. Prime Factor Digits Year
499670399934077 ~1983
4996709399736738 ~1985
4996723499672318 ~1985
4996757299805438 ~1985
4997227799556338 ~1986
4997471399797698 ~1985
4997533299851998 ~1985
4997981299878878 ~1985
4998031899645598 ~1986
4998113699735838 ~1985
499813199962637 ~1983
4998211499821118 ~1985
49982291099610399 ~1986
4998341299900478 ~1985
499835999967197 ~1983
4998601799776178 ~1986
4998647399891778 ~1985
49986731499601919 ~1986
499868399973677 ~1983
49988691199728579 ~1986
499910399982077 ~1983
4999307399944578 ~1985
4999447499944718 ~1985
499952399990477 ~1983
49998231199957539 ~1986
Exp. Prime Factor Digits Year
5000111100002238 ~1983
5000161300009678 ~1985
5000311500031118 ~1985
5000399100007998 ~1983
50004231200101539 ~1986
5000701300042078 ~1985
5000759400060738 ~1985
5000783100015678 ~1983
5000861300051678 ~1985
5000881800140978 ~1986
5000903100018078 ~1983
5000977300058638 ~1985
5001167400093378 ~1985
5001197400095778 ~1985
5001203100024078 ~1983
5001299100025998 ~1983
5001413300084798 ~1985
5001443100028878 ~1983
50015932800892099 ~1987
5001779100035598 ~1983
5002103100042078 ~1983
50021577203106099 ~1988
5002223100044478 ~1983
5002273300136398 ~1985
5002331100046638 ~1983
717
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26-08-02