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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
2821769395047678 ~1983
282181156436237 ~1981
2821913903012178 ~1984
2821991225759298 ~1983
28220091523884879 ~1985
282215956443197 ~1981
2822213395109838 ~1983
2822263282226318 ~1983
2822411225792898 ~1983
2822503282250318 ~1983
2822543903213778 ~1984
2822579508064238 ~1984
2822669225813538 ~1983
2822713451634098 ~1984
2822717225817378 ~1983
282272356454477 ~1981
282281956456397 ~1981
28228571975999919 ~1985
2822893677494338 ~1984
2822909225832738 ~1983
2822917451666738 ~1984
2822929677502978 ~1984
2823053169383198 ~1983
282305956461197 ~1981
2823193169391598 ~1983
Exp. Prime Factor Digits Year
2823269395257678 ~1983
2823523282352318 ~1983
28236711355362099 ~1985
28237311863662479 ~1985
28237733557953999 ~1986
2823791734185678 ~1984
2823857677725698 ~1984
2823889621255598 ~1984
282391156478237 ~1981
2823943677746338 ~1984
28241631863947599 ~1985
2824177169450638 ~1983
282425956485197 ~1981
2824303451888498 ~1984
2824337395407198 ~1983
2824433169465998 ~1983
282446356489277 ~1981
282458356491677 ~1981
2824631225970498 ~1983
2824631734404078
2824649225971938 ~1983
282482356496477 ~1981
2824993677998338 ~1984
2825033678007938 ~1984
2825261226020898 ~1983
Exp. Prime Factor Digits Year
282541156508237 ~1981
2825477395566798 ~1983
2825521169531278 ~1983
2825551282555118 ~1983
282563956512797 ~1981
2825701169542078 ~1983
2825741169544478 ~1983
282575956515197 ~1981
2825821621680638 ~1984
2825957226076578 ~1983
2825959960826078 ~1984
28259591186902799
2826073169564398 ~1983
28261791186995199 ~1985
2826281226102498 ~1983
2826361169581678 ~1983
282643156528637 ~1981
282644356528877 ~1981
282662356532477 ~1981
2826671226133698 ~1983
2826727282672718 ~1983
2826737169604238 ~1983
2826757678421698 ~1984
282689956537997 ~1981
282704356540877 ~1981
Exp. Prime Factor Digits Year
2827109226168738 ~1983
2827159508888638 ~1984
282721156544237 ~1981
2827277395818798 ~1983
282740356548077 ~1981
282767956553597 ~1981
2827679226214338
2827679508982238
28281131809992339 ~1985
282821956564397 ~1981
2828257169695438 ~1983
2828297169697838 ~1983
2828297395961598
282836356567277 ~1981
2828429226274338 ~1983
2828453169707198 ~1983
2828491282849118 ~1983
2828717169723038 ~1983
28288932036802979 ~1985
2828923282892318 ~1983
282899956579997 ~1981
2829011509221998 ~1984
2829133169747998 ~1983
282925156585037 ~1981
282931156586237 ~1981
491
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26-01-11