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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
3982879317965758639 ~1998
3982949997965899999 ~1998
398297441318637952910 ~2000
3982975917965951839 ~1998
3982985037965970079 ~1998
3983033037966066079 ~1998
398311847318649477710 ~2000
3983210517966421039 ~1998
398325943637321508910 ~2000
3983261997966523999 ~1998
3983278797966557599 ~1998
398338891398338891110 ~2000
3983435037966870079 ~1998
3983450997966901999 ~1998
3984091317968182639 ~1998
3984323997968647999 ~1998
3984349197968698399 ~1998
3984432117968864239 ~1998
3984563517969127039 ~1998
398457377956297704910 ~2001
398458859318767087310 ~2000
3984790797969581599 ~1998
398491619318793295310 ~2000
3984954117969908239 ~1998
3984963597969927199 ~1998
Exponent Prime Factor Digits Year
3985028037970056079 ~1998
3985038237970076479 ~1998
3985199397970398799 ~1998
398520217239112130310 ~1999
3985248117970496239 ~1998
3985270437970540879 ~1998
3985304037970608079 ~1998
3985321197970642399 ~1998
3985423797970847599 ~1998
3985464717970929439 ~1998
398551849876814067910 ~2001
3985642491275405596911 ~2001
398578681239147208710 ~1999
3985913397971826799 ~1998
398596439717473590310 ~2000
398613113558058358310 ~2000
3986134437972268879 ~1998
398618237239170942310 ~1999
3986210397972420799 ~1998
3986263797972527599 ~1998
3986379237972758479 ~1998
398666837239200102310 ~1999
3986877717973755439 ~1998
398712599956910237710 ~2001
3987208917974417839 ~1998
Exponent Prime Factor Digits Year
398729053239237431910 ~1999
3987373797974747599 ~1998
3987662397975324799 ~1998
398769233239261539910 ~1999
3987944637975889279 ~1998
3987955399969888475111 ~2003
3987961797975923599 ~1998
3987994197975988399 ~1998
3988046037976092079 ~1998
3988193637976387279 ~1998
3988267317976534639 ~1998
3988285437976570879 ~1998
3988570131196571039111 ~2001
3988622637977245279 ~1998
3988688037977376079 ~1998
3988832637977665279 ~1998
3988881117977762239 ~1998
398888599398888599110 ~2000
398899717239339830310 ~1999
3988997991914719035311 ~2002
3989012037978024079 ~1998
3989020437978040879 ~1998
3989068317659011155311 ~2003
398917853558484994310 ~2000
3989478597978957199 ~1998
Exponent Prime Factor Digits Year
3989514717979029439 ~1998
398967077319173661710 ~2000
3989853117979706239 ~1998
3989932797979865599 ~1998
3989990637979981279 ~1998
3990143517980287039 ~1998
399029173239417503910 ~1999
3990532797981065599 ~1998
3990537237981074479 ~1998
399088297239452978310 ~1999
3990945717981891439 ~1998
399102133239461279910 ~1999
3991075197982150399 ~1998
3991129917982259839 ~1998
3991438917982877839 ~1998
3991549917983099839 ~1998
3991720797983441599 ~1998
3991880997983761999 ~1998
3991942317983884639 ~1998
3992024517984049039 ~1998
3992053797984107599 ~1998
399206737239524042310 ~1999
3992300637984601279 ~1998
3992501997985003999 ~1998
3992605917985211839 ~1998
3071
GIMPS The Prime Pages FactorDb.com
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25-04-13