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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
9025477541528638 ~1986
9025613541536798 ~1986
9026063180521278 ~1985
9026077541564638 ~1986
90261232346791999 ~1988
9026267722101378 ~1987
9026663180533278 ~1985
9026819180536398 ~1985
9026903180538078 ~1985
9027089722167138 ~1987
9027191722175298 ~1987
90274191624935439 ~1988
90274199388515779
9027443180548878 ~1985
90276531263871439 ~1987
9027803180556078 ~1985
9027839180556798 ~1985
9027923180558478 ~1985
9028247722259778 ~1987
9028273541696398 ~1986
9028337541700238 ~1986
9028337722266978
9028381541702878 ~1986
90285017945080899 ~1989
9028871722309698 ~1987
Exp. Prime Factor Digits Year
9028919180578398 ~1985
9028931180578638 ~1985
9029093541745598 ~1986
9029243180584878 ~1985
9029291180585838 ~1985
9029417541765038 ~1986
9029519180590398 ~1985
9029543180590878 ~1985
9029599902959918 ~1987
9029651180593038 ~1985
9029729722378338 ~1987
9029879180597598 ~1985
9030071180601438 ~1985
9030457541827438 ~1986
9030683180613678 ~1985
90307932709237919 ~1988
9030839180616798 ~1985
9030851722468098 ~1987
9031103180622078 ~1985
9031207334154659110 ~1991
9031409722512738 ~1987
90314094876960879
90314111445025779 ~1988
9031727722538178 ~1987
9031787722542978 ~1987
Exp. Prime Factor Digits Year
9031901541914078 ~1986
9032099180641998 ~1985
9032761541965678 ~1986
9033191180663838 ~1985
9033337542000238 ~1986
9033371180667438 ~1985
9033391903339118 ~1987
90333914336027699
9033599180671998 ~1985
90337572710127119 ~1988
9034357542061438 ~1986
90344113613764419 ~1989
9034559180691198 ~1985
9035027722802178 ~1987
9035333542119998 ~1986
9035357722828578 ~1987
9035471722837698 ~1987
9035861542151678 ~1986
90358993795077599 ~1989
9036073542164398 ~1986
9036107722888578 ~1987
90367211445875379 ~1988
9036941542216478 ~1986
9036959180739198 ~1985
90370511626669199 ~1988
Exp. Prime Factor Digits Year
9037313542238798 ~1986
9037451722996098 ~1987
9037499180749998 ~1985
9037499722999938
9037601542256078 ~1986
9037667723013378 ~1987
9037681542260878 ~1986
9037751180755038 ~1985
9037811180756238 ~1985
9037991723039298 ~1987
90381894338330739 ~1989
9038219180764398 ~1985
9038273542296398 ~1986
9038507723080578 ~1987
9038723180774478 ~1985
9038831180776638 ~1985
9038857542331438 ~1986
90388672169328099 ~1988
9039143180782878 ~1985
9039323180786478 ~1985
9039959723196738 ~1987
9039983180799678 ~1985
9040477542428638 ~1986
90405171265672399 ~1987
9040573542434398 ~1986
992
GIMPS The Prime Pages FactorDb.com
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25-12-14