Home e-mail
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
8019611160392238 ~1985
8019773481186398 ~1986
8020151160403038 ~1985
8020339802033918 ~1987
8020499641639938 ~1986
80205773849876979 ~1988
8020643160412878 ~1985
8020673481240398 ~1986
8020703160414078 ~1985
8020921481255278 ~1986
8020927802092718 ~1987
8020933481255998 ~1986
80209331283349299
8021003160420078 ~1985
80210639144011839 ~1989
80211311443803599 ~1987
8021159160423198 ~1985
8021171160423438 ~1985
8021291160425838 ~1985
8021471641717698 ~1986
8021593481295598 ~1986
80216471283463539 ~1987
8021831160436638 ~1985
80219111443943999 ~1987
8022017481321038 ~1986
Exp. Prime Factor Digits Year
80220611283529779 ~1987
8022083160441678 ~1985
8022551160451038 ~1985
8022743160454878 ~1985
8023091160461838 ~1985
80231531018940431111 ~1992
8023259160465198 ~1985
8023523160470478 ~1985
8023811160476238 ~1985
8023957481437438 ~1986
8023979641918338 ~1986
8024077481444638 ~1986
8024321481459278 ~1986
8024399641951938 ~1986
80244072728298399 ~1988
80245373851777779 ~1988
8024591160491838 ~1985
8024591641967298
8024777481486638 ~1986
8024777641982178
8024873481492398 ~1986
80249271444486879 ~1987
80257131123599839 ~1987
8025917642073378 ~1986
8026013481560798 ~1986
Exp. Prime Factor Digits Year
80261331123658639 ~1987
8026451160529038 ~1985
80266732568535379 ~1988
80267696260879839 ~1989
80268291123756079 ~1987
8026877481612638 ~1986
8026913481614798 ~1986
80269571284313139 ~1987
80269818187520639 ~1989
80271414495198979 ~1988
8027339160546798 ~1985
8027639160552798 ~1985
8027813481668798 ~1986
8028107642248578 ~1986
8028491160569838 ~1985
8028577481714638 ~1986
80287071445167279 ~1987
8028719160574398 ~1985
8028791160575838 ~1985
80288091124033279 ~1987
80288091926914179
80288274496143139 ~1988
8028899160577998 ~1985
8029211160584238 ~1985
8029631642370498 ~1986
Exp. Prime Factor Digits Year
8029739160594798 ~1985
80298111445365999 ~1987
8029823160596478 ~1985
80298771124182799 ~1987
80302271284836339 ~1987
8030623803062318 ~1987
8030761481845678 ~1986
8031097481865838 ~1986
8031431160628638 ~1985
8031437642514978 ~1986
8031581481894878 ~1986
8031581642526498
8031587642526978 ~1986
8031641481898478 ~1986
80317731124448239 ~1987
8031787803178718 ~1987
8031833481909998 ~1986
8031977642558178 ~1986
8032001481920078 ~1986
80326911445884399 ~1987
8032967642637378 ~1986
8033021481981278 ~1986
8033243160664878 ~1985
8033327642666178 ~1986
8033471160669438 ~1985
898
GIMPS The Prime Pages FactorDb.com
Home
4.768.925 digits 		e-mail
25-05-04