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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
2908183290818318 ~1983
2908261174495678 ~1983
2908261465321778
290831958166397 ~1981
2908567523542078 ~1984
290858358171677 ~1981
2908747523574478 ~1984
2908931232714498 ~1983
29089792152644479 ~1985
2909141174548478 ~1983
29091671163666819 ~1985
290924358184877 ~1981
290927958185597 ~1981
29094191862028179 ~1985
290951958190397 ~1981
2909617174577038 ~1983
290966358193277 ~1981
2909741232779298 ~1983
2909813174588798 ~1983
2910073465611698 ~1984
2910209407429278 ~1984
2910461931347538 ~1984
2910487291048718 ~1983
2910709640355998 ~1984
2910749232859938 ~1983
Exp. Prime Factor Digits Year
291077958215597 ~1981
2910907698617698 ~1984
2910911232872898 ~1983
2910917407528398 ~1984
2910997465759538 ~1984
29110431222638079 ~1985
291121158224237 ~1981
2911211232896898
2911297465807538 ~1984
2911333640493278 ~1984
2911367524046078 ~1984
29114832096267779 ~1985
2911561465849778 ~1984
291187158237437 ~1981
2911901174714078 ~1983
2911901931808338
2912051757133278 ~1984
2912081232966498 ~1983
2912527990259198 ~1984
291269958253997 ~1981
291295158259037 ~1981
2913041174782478 ~1983
2913187699164898 ~1984
2913233407852638 ~1984
2913413407877838 ~1984
Exp. Prime Factor Digits Year
2913529640976398 ~1984
291371958274397 ~1981
2913719524469438
29139612797402579 ~1986
2914027699366498 ~1984
2914139233131138 ~1983
29141832389630079 ~1985
291428358285677 ~1981
2914313699435138 ~1984
2914393699454338 ~1984
2914481233158498 ~1983
29145011165800419 ~1985
2914697233175778 ~1983
2914801466368178 ~1984
2914931233194498 ~1983
291503958300797 ~1981
2915309233224738 ~1983
291535158307037 ~1981
2915441233235298 ~1983
291554358310877 ~1981
2915713699771138 ~1984
2915837233266978 ~1983
2915977699834498 ~1984
2916031524885598 ~1984
29160311691297999
Exp. Prime Factor Digits Year
29161191458059519 ~1985
291614358322877 ~1981
2916161233292898 ~1983
2916169641557198 ~1984
291632358326477 ~1981
291638358327677 ~1981
29166111224976639 ~1985
2916701175002078 ~1983
291697158339437 ~1981
2917073408390238 ~1984
291709158341837 ~1981
29170991225181599 ~1985
2917129875138718 ~1984
2917261175035678 ~1983
2917289233383138 ~1983
2917289408420478
2917357175041438 ~1983
2918129408538078 ~1984
291829158365837 ~1981
2918359291835918 ~1983
291841158368237 ~1981
2918561233484898 ~1983
2918593700462338 ~1984
29185931576040239
2918717700492098 ~1984
503
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26-02-08