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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 Dig. Year
72503001591450060031911 ~2008
72505187631450103752711 ~2008
72505808031450116160711 ~2008
725058721710150822103912 ~2010
72506996631450139932711 ~2008
72510892311450217846311 ~2008
725133453729005338148112 ~2011
725177725930457464487912 ~2011
72518689311450373786311 ~2008
72519715911450394318311 ~2008
725240590311603849444912 ~2010
72529088631450581772711 ~2008
72530676111450613522311 ~2008
72530715437253071543111 ~2010
72530776911450615538311 ~2008
72531412791450628255911 ~2008
72532096791450641935911 ~2008
725326968711605231499312 ~2010
72535812614352148756711 ~2009
72535989591450719791911 ~2008
72537767934352266075911 ~2009
72544479111450889582311 ~2008
72544634174352678050311 ~2009
72546435591450928711911 ~2008
72550409511451008190311 ~2008
Exponent Prime Factor Dig. Year
72551152431451023048711 ~2008
725521208910157296924712 ~2010
72555480111451109602311 ~2008
72557563311451151266311 ~2008
72560002431451200048711 ~2008
72560611191451212223911 ~2008
72565546191451310923911 ~2008
72566324774353979486311 ~2009
72567999831451359996711 ~2008
725691691311611067060912 ~2010
72569324991451386499911 ~2008
72569905791451398115911 ~2008
725708121129028324844112 ~2011
72572815191451456303911 ~2008
72574146111451482922311 ~2008
72575168631451503372711 ~2008
72576099231451521984711 ~2008
72579765014354785900711 ~2009
72583060191451661203911 ~2008
725843687321775310619112 ~2011
72585549437258554943111 ~2010
72585982191451719643911 ~2008
72586809111451736182311 ~2008
72589558311451791166311 ~2008
72589813911451796278311 ~2008
Exponent Prime Factor Dig. Year
72590070711451801414311 ~2008
72590861991451817239911 ~2008
72591572631451831452711 ~2008
72592750911451855018311 ~2008
72594662991451893259911 ~2008
725976565710163671919912 ~2010
72606719631452134392711 ~2008
72607091215808567296911 ~2010
72608144991452162899911 ~2008
72610633431452212668711 ~2008
72610849911452216998311 ~2008
72613506711452270134311 ~2008
72613981615809118528911 ~2010
72617790231452355804711 ~2008
72617965791452359315911 ~2008
72621161574357269694311 ~2009
72629803911452596078311 ~2008
72633840831452676816711 ~2008
72635452311452709046311 ~2008
72635459631452709192711 ~2008
72635474631452709492711 ~2008
72636288711452725774311 ~2008
726366856717432804560912 ~2011
72638292711452765854311 ~2008
72638679111452773582311 ~2008
Exponent Prime Factor Dig. Year
72639839275811187141711 ~2010
726424643310169945006312 ~2010
72646559695811724775311 ~2010
72648512391452970247911 ~2008
72649572231452991444711 ~2008
72649737014358984220711 ~2009
72651190334359071419911 ~2009
726515199113077273583912 ~2010
72651620391453032407911 ~2008
72652753311453055066311 ~2008
72653086134359185167911 ~2009
72653332791453066655911 ~2008
72653810031453076200711 ~2008
726546805113077842491912 ~2010
72655022391453100447911 ~2008
72659394231453187884711 ~2008
72660125031453202500711 ~2008
726657427710173203987912 ~2010
72665760711453315214311 ~2008
72668121591453362431911 ~2008
72668746191453374923911 ~2008
72671419191453428383911 ~2008
72671964111453439282311 ~2008
72672019191453440383911 ~2008
72672995511453459910311 ~2008
4875
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26-07-19