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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
2009974794019949599 ~1996
201001793482404303310 ~1998
2010027834020055679 ~1996
2010028314020056639 ~1996
201007979482419149710 ~1998
201009199482422077710 ~1998
2010142794020285599 ~1996
2010173394020346799 ~1996
2010254634020509279 ~1996
201026941120616164710 ~1997
201028031361850455910 ~1998
201038713482492911310 ~1998
2010388794020777599 ~1996
2010450114020900239 ~1996
2010525834021051679 ~1996
2010595434021190879 ~1996
2010597834021195679 ~1996
2010643794021287599 ~1996
2010664794021329599 ~1996
201067897120640738310 ~1997
2010738714021477439 ~1996
2010762834021525679 ~1996
2010807234021614479 ~1996
20108243913512739900912 ~2002
2010825594021651199 ~1996
Exponent Prime Factor Digits Year
201088037120652822310 ~1997
201088157482611576910 ~1998
2010915714021831439 ~1996
2010988794021977599 ~1996
201100093120660055910 ~1997
2011050594022101199 ~1996
201107063482656951310 ~1998
2011204314022408639 ~1996
2011207794022415599 ~1996
2011264794022529599 ~1996
2011294434022588879 ~1996
201130243482712583310 ~1998
2011324194022648399 ~1996
201135917120681550310 ~1997
2011430116476804954311 ~2001
201143801160915040910 ~1997
2011439634022879279 ~1996
2011440714022881439 ~1996
2011468314022936639 ~1996
2011472034022944079 ~1996
201154367482770480910 ~1998
201161069160928855310 ~1997
201162917764419084710 ~1999
2011768794023537599 ~1996
201186709482848101710 ~1998
Exponent Prime Factor Digits Year
2011931034023862079 ~1996
2011955514023911039 ~1996
201197147482873152910 ~1998
2012017794024035599 ~1996
201208921120725352710 ~1997
2012138514024277039 ~1996
201218671804874684110 ~1999
201223241120733944710 ~1997
2012273634024547279 ~1996
2012285394024570799 ~1996
2012382594024765199 ~1996
2012383434024766879 ~1996
2012422914024845839 ~1996
2012433594024867199 ~1996
201246041120747624710 ~1997
2012473914024947839 ~1996
2012495994024991999 ~1996
201255361120753216710 ~1997
2012568834025137679 ~1996
2012606514025213039 ~1996
201263261120757956710 ~1997
201271153120762691910 ~1997
2012734194025468399 ~1996
2012753634025507279 ~1996
201278771161023016910 ~1997
Exponent Prime Factor Digits Year
201281747161025397710 ~1997
2012839914025679839 ~1996
2013104634026209279 ~1996
2013128514026257039 ~1996
201319813120791887910 ~1997
2013212514026425039 ~1996
2013278394026556799 ~1996
2013312714026625439 ~1996
2013381714026763439 ~1996
201351907362433432710 ~1998
2013544794027089599 ~1996
2013562314027124639 ~1996
2013578994027157999 ~1996
2013597594027195199 ~1996
2013602514027205039 ~1996
2013618714027237439 ~1996
201362353120817411910 ~1997
2013623634027247279 ~1996
201370537120822322310 ~1997
201381617120828970310 ~1997
2013873834027747679 ~1996
201389213483334111310 ~1998
2013920994027841999 ~1996
2013926994027853999 ~1996
201394231362509615910 ~1998
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25-07-08