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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
36435263728705278 ~1990
36435719728714398 ~1990
36436343728726878 ~1990
36436859728737198 ~1990
364374612186247679 ~1991
36437651728753038 ~1990
36437903728758078 ~1990
364381332186287999 ~1991
36439451728789038 ~1990
36442379728847598 ~1990
36442751728855038 ~1990
36443003728860078 ~1990
364434172915473379 ~1992
364440112915520899 ~1992
36445091728901838 ~1990
36445919728918398 ~1990
36446159728923198 ~1990
36447143728942878 ~1990
36448091728961838 ~1990
36449711728994238 ~1990
364501375103019199 ~1992
36450899729017998 ~1990
36451703729034078 ~1990
36452651729053038 ~1990
36452771729055438 ~1990
Exponent Prime Factor Digits Year
364531812187190879 ~1991
364534335832549299 ~1992
364537735103528239 ~1992
364555396561997039 ~1992
36455819729116398 ~1990
36457079729141598 ~1990
36457259729145198 ~1990
364585812187514879 ~1991
36459851729197038 ~1990
36460499729209998 ~1990
364604992916839939
364605375833685939 ~1992
36460883729217678 ~1990
36461063729221278 ~1990
364612612187675679 ~1991
36461459729229198 ~1990
36462119729242398 ~1990
36463499729269998 ~1990
36463943729278878 ~1990
364654132187924799 ~1991
364657972187947839 ~1991
36466211729324238 ~1990
364687393646873919 ~1992
364689972188139839 ~1991
36469523729390478 ~1990
Exponent Prime Factor Digits Year
36469799729395998 ~1990
364701292917610339 ~1992
36470183729403678 ~1990
36470711729414238 ~1990
36471131729422638 ~1990
364727272917818179 ~1992
36473291729465838 ~1990
36473351729467038 ~1990
36473771729475438 ~1990
36474143729482878 ~1990
364750732188504399 ~1991
36475331729506638 ~1990
36477323729546478 ~1990
364773772188642639 ~1991
36477923729558478 ~1990
36478199729563998 ~1990
364788112918304899 ~1992
36480023729600478 ~1990
36480239729604798 ~1990
36480371729607438 ~1990
364804012188824079 ~1991
36480803729616078 ~1990
364823532188941199 ~1991
36482723729654478 ~1990
36482879729657598 ~1990
Exponent Prime Factor Digits Year
36483659729673198 ~1990
36484391729687838 ~1990
364850812189104879 ~1991
364850891401027417711 ~1996
36485591729711838 ~1990
364863972189183839 ~1991
36487523729750478 ~1990
36487739729754798 ~1990
36488411729768238 ~1990
36488663729773278 ~1990
36488761109466283110 ~1993
364894912919159299 ~1992
36490253116768809710 ~1993
364908596568354639 ~1992
36491519729830398 ~1990
364915972189495839 ~1991
364932735838923699 ~1992
36493511729870238 ~1990
36494219729884398 ~1990
36495059729901198 ~1990
364951273649512719 ~1992
36495131729902638 ~1990
36495191729903838 ~1990
364958692919669539 ~1992
364961332189767999 ~1991
1854
GIMPS The Prime Pages FactorDb.com
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25-04-13