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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
3844667692040078 ~1985
38447471307213999 ~1985
384475176895037 ~1982
38449996844098239 ~1987
3845251384525118 ~1984
384527976905597 ~1982
38452871538114819 ~1986
384529176905837 ~1982
3845327307626178 ~1984
384535176907037 ~1982
3845461230727678 ~1984
3845837230750238 ~1984
384620376924077 ~1982
38462292076963679 ~1986
3846257307700578 ~1984
3846259692326638 ~1985
3846389307711138 ~1984
3846467307717378 ~1984
3846673615467698 ~1985
3846833230809998 ~1984
3846877230812638 ~1984
3847093230825598 ~1984
384727176945437 ~1982
38474211154226319 ~1985
38474991846799539 ~1986
Exp. Prime Factor Digits Year
384761976952397 ~1982
384779976955997 ~1982
3848017230881038 ~1984
3848029846566398 ~1985
3848233230893998 ~1984
38484971847278579 ~1986
3848563384856318 ~1984
384863976972797 ~1982
384865176973037 ~1982
3848653230919198 ~1984
384869976973997 ~1982
3848837230930238 ~1984
3848869923728578 ~1985
3849127615860338 ~1985
3849359692884638 ~1985
38493595543076979
3849523384952318 ~1984
38495231308837839
3849541230972478 ~1984
38495831308858239 ~1985
38497431924871519 ~1986
3849767307981378 ~1984
3849821307985698 ~1984
3850061308004898 ~1984
3850277308022178 ~1984
Exp. Prime Factor Digits Year
3850339385033918 ~1984
385040377008077 ~1982
3850459385045918 ~1984
385081177016237 ~1982
385088377017677 ~1982
3850921847202638 ~1985
3850949308075938 ~1984
385106377021277 ~1982
385127977025597 ~1982
385136377027277 ~1982
3851429308114338 ~1984
3851641231098478 ~1984
3851747308139778 ~1984
3851747693314478
3851779693320238 ~1985
385181977036397 ~1982
3852019385201918 ~1984
385205977041197 ~1982
3852257231135438 ~1984
385226377045277 ~1982
3852361231141678 ~1984
385253977050797 ~1982
385268377053677 ~1982
385292377058477 ~1982
3853093231185598 ~1984
Exp. Prime Factor Digits Year
385316377063277 ~1982
3853313231198798 ~1984
385337977067597 ~1982
385340377068077 ~1982
385351177070237 ~1982
3853669847807198 ~1985
3853697924887298 ~1985
3853757308300578 ~1984
3853873231232398 ~1984
385400377080077 ~1982
385409977081997 ~1982
38541532389574879 ~1986
3854197231251838 ~1984
3854251616680178 ~1985
3854471308357698 ~1984
3854573231274398 ~1984
3854681308374498 ~1984
3854717206612831310 ~1988
385478377095677 ~1982
38549333083946419 ~1986
385508377101677 ~1982
3855179108716047910 ~1988
3855287308422978 ~1984
38552871002374639
3855331385533118 ~1984
592
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25-10-26