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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
3971775597943551199 ~1998
3971876637943753279 ~1998
397189867714941760710 ~2000
3972028317944056639 ~1998
397217573238330543910 ~1999
397222957238333774310 ~1999
3972273597944547199 ~1998
3972609597945219199 ~1998
3972689397945378799 ~1998
3972739797945479599 ~1998
3973070637946141279 ~1998
3973118997946237999 ~1998
3973156797946313599 ~1998
397327421317861936910 ~2000
3973279797946559599 ~1998
3973391397946782799 ~1998
3973556397947112799 ~1998
3973729317947458639 ~1998
3973760997947521999 ~1998
3973761237947522479 ~1998
3973800597947601199 ~1998
3974092197948184399 ~1998
397428667397428667110 ~2000
3974335797948671599 ~1998
3974454597948909199 ~1998
Exponent Prime Factor Digits Year
3974455197948910399 ~1998
3974496597948993199 ~1998
3974525637949051279 ~1998
3974674197949348399 ~1998
3974790117949580239 ~1998
3974999397949998799 ~1998
3975022691908010891311 ~2002
3975162117950324239 ~1998
397519201238511520710 ~1999
397529701238517820710 ~1999
3975336597950673199 ~1998
3975368517950737039 ~1998
397539631715571335910 ~2000
397555831397555831110 ~2000
3975582117951164239 ~1998
3975589437951178879 ~1998
397564441636103105710 ~2000
3975674037951348079 ~1998
3975986397951972799 ~1998
397600481318080384910 ~2000
3976051797952103599 ~1998
397616951715710511910 ~2000
397622501318098000910 ~2000
3976265771192879731111 ~2001
3976315437952630879 ~1998
Exponent Prime Factor Digits Year
3976487637952975279 ~1998
3976488717952977439 ~1998
397659641318127712910 ~2000
397660607318128485710 ~2000
397680719318144575310 ~2000
397683899954441357710 ~2001
397698781238619268710 ~1999
3977175117954350239 ~1998
3977417037954834079 ~1998
3977451237954902479 ~1998
397749977318199981710 ~2000
397757447318205957710 ~2000
397758437238655062310 ~1999
397761509954627621710 ~2001
3977627333420759503911 ~2002
3977689917955379839 ~1998
397775143397775143110 ~2000
3977856237955712479 ~1998
3977861397955722799 ~1998
397791217238674730310 ~1999
397812977318250381710 ~2000
3978140997956281999 ~1998
397831817318265453710 ~2000
3978350997956701999 ~1998
3978471717956943439 ~1998
Exponent Prime Factor Digits Year
397858007716144412710 ~2000
3978596997957193999 ~1998
3978597717957195439 ~1998
3978718437957436879 ~1998
3979226397958452799 ~1998
3979263117958526239 ~1998
397939651397939651110 ~2000
3979433637958867279 ~1998
3979438917958877839 ~1998
3979472397958944799 ~1998
3979481517958963039 ~1998
397950199397950199110 ~2000
397951153955082767310 ~2001
3979627917959255839 ~1998
3979903317959806639 ~1998
3979915437959830879 ~1998
3980363637960727279 ~1998
398059093238835455910 ~1999
3980603037961206079 ~1998
3980657637961315279 ~1998
398066657238839994310 ~1999
398084521875785946310 ~2001
3980911437961822879 ~1998
3981023397962046799 ~1998
398111239398111239110 ~2000
3130
GIMPS The Prime Pages FactorDb.com
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25-06-08