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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
3085553431977438 ~1984
3085603740544738 ~1984
30856091974789779 ~1985
3085741493718578 ~1984
3085751246860098 ~1983
3085769925730718 ~1985
3085787246862978 ~1983
3085813678878878 ~1984
30859691481265139 ~1985
3086099246887938 ~1983
308618361723677 ~1982
3086287555531678 ~1984
3086287740708898
308642361728477 ~1982
30864231296297679
3086563308656318 ~1983
30865791296363199 ~1985
30865991790227439 ~1985
3086641185198478 ~1983
3086749740819778 ~1984
3086779308677918 ~1983
3087173185230398 ~1983
3087211308721118 ~1983
3087233432212638 ~1984
308723961744797 ~1982
Exp. Prime Factor Digits Year
30872393766431599
3087509247000738 ~1983
3087619308761918 ~1983
3087653185259198 ~1983
308774361754877 ~1982
3087901185274078 ~1983
3087901494064178
3088073988183378 ~1985
3088093494094898 ~1984
3088121247049698 ~1983
3088139247051138 ~1983
3088147308814718 ~1983
3088159555868638 ~1984
3088201185292078 ~1983
3088381185302878 ~1983
3088517741244098 ~1984
3088559247084738 ~1983
3088573185314398 ~1983
3088573494171698
3088607555949278 ~1984
308869161773837 ~1982
3088711308871118 ~1983
3088741185324478 ~1983
3088753185325198 ~1983
3088801185328078 ~1983
Exp. Prime Factor Digits Year
3088801926640318
3088837185330238 ~1983
30889491915148399 ~1985
308917161783437 ~1982
30893116425766899 ~1987
3089369432511678 ~1984
3089519556113438 ~1984
3089561185373678 ~1983
308959161791837 ~1982
3089657247172578 ~1983
3089693185381598 ~1983
30900131977608339 ~1985
3090067309006718 ~1983
309007161801437 ~1982
3090089247207138 ~1983
3090337185420238 ~1983
3090397185423838 ~1983
309055161811037 ~1982
309095961819197 ~1982
309101961820397 ~1982
3091213185472798 ~1983
3091217185473038 ~1983
3091381494620978 ~1984
309139161827837 ~1982
3091589247327138 ~1983
Exp. Prime Factor Digits Year
30916391483986739 ~1985
309179961835997 ~1982
309181161836237 ~1982
3091819556527438 ~1984
3091897185513838 ~1983
309191961838397 ~1982
309227961845597 ~1982
309239961847997 ~1982
3092513185550798 ~1983
3092513432951838
3092513742203138
3092561185553678 ~1983
30926811917462239 ~1985
3092699989663698 ~1985
3092701185562078 ~1983
309278361855677 ~1982
3092891247431298 ~1983
30930111299064639 ~1985
309305961861197 ~1982
309313161862637 ~1982
309320361864077 ~1982
3093221185593278 ~1983
30932531670356639 ~1985
309338361867677 ~1982
3093421185605278 ~1983
526
GIMPS The Prime Pages FactorDb.com
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26-05-03