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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.
Exponent Prime Factor Digits Year
19324199386483998 ~1988
193242131159452799 ~1989
19324271386485438 ~1988
193245411545963299 ~1989
19324559386491198 ~1988
19325639386512798 ~1988
193261931159571599 ~1989
19326311386526238 ~1988
19326551386531038 ~1988
19326683386533678 ~1988
19327211386544238 ~1988
193278791932787919 ~1990
19328279386565598 ~1988
193284971159709839 ~1989
193290411159742479 ~1989
19329071386581438 ~1988
193292935798787919 ~1991
19329851386597038 ~1988
19330463386609278 ~1988
19330859386617198 ~1988
19331219386624398 ~1988
193314899279114739 ~1991
19331831386636638 ~1988
19331843386636878 ~1988
19332083386641678 ~1988
Exponent Prime Factor Digits Year
19332419386648398 ~1988
193331231933312319 ~1990
19333679386673598 ~1988
19333859386677198 ~1988
193339315026822079 ~1991
19334303386686078 ~1988
19335119386702398 ~1988
19335923386718478 ~1988
193360071546880579 ~1989
19336931386738638 ~1988
19336991386739838 ~1988
19337159386743198 ~1988
193381331160287999 ~1989
19338191386763838 ~1988
193385211160311279 ~1989
193388811160332879 ~1989
19339031386780638 ~1988
19339559386791198 ~1988
19339571386791438 ~1988
19339643386792878 ~1988
193402611547220899 ~1989
19340459386809198 ~1988
19340903386818078 ~1988
19341011386820238 ~1988
19341251386825038 ~1988
Exponent Prime Factor Digits Year
193412931160477599 ~1989
19341431386828638 ~1988
193422494642139779 ~1991
19342331386846638 ~1988
193430173094882739 ~1990
193436931160621599 ~1989
19343963386879278 ~1988
19344719386894398 ~1988
193448396190348499 ~1991
19344911386898238 ~1988
19344959386899198 ~1988
19345019386900398 ~1988
193450492708306879 ~1990
193451713095227379 ~1990
193454897738195619 ~1991
19345499386909998 ~1988
19346003386920078 ~1988
19346039386920798 ~1988
19346111386922238 ~1988
19346471386929438 ~1988
19346891386937838 ~1988
19347371386947438 ~1988
193473731160842399 ~1989
19347563386951278 ~1988
19347851386957038 ~1988
Exponent Prime Factor Digits Year
19348223386964478 ~1988
19348271386965438 ~1988
19348331386966638 ~1988
193487331160923999 ~1989
193488711547909699 ~1989
19348919386978398 ~1988
19349303386986078 ~1988
19349411386988238 ~1988
193498491547987939 ~1989
193501034644024739 ~1991
19350431387008638 ~1988
19350491387009838 ~1988
19350563387011278 ~1988
193506891548055139 ~1989
193507071548056579 ~1989
193507331161043999 ~1989
19351043387020878 ~1988
19351571387031438 ~1988
19351883387037678 ~1988
193519311548154499 ~1989
19352423387048478 ~1988
19352639387052798 ~1988
19352699387053998 ~1988
193527131161162799 ~1989
19353263387065278 ~1988
1390
GIMPS The Prime Pages FactorDb.com
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25-04-13