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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
516530511033061039 ~1991
516536631033073279 ~1991
51653773113638300710 ~1994
516542991033085999 ~1991
516543711033087439 ~1991
516546711033093439 ~1991
516554031033108079 ~1991
516559911033119839 ~1991
516566173099397039 ~1992
51657779258288895110 ~1995
516587031033174079 ~1991
516595191033190399 ~1991
516602991033205999 ~1991
516603591033207199 ~1991
516605173099631039 ~1992
516608115166081119 ~1993
516622911033245839 ~1991
516626719299280799 ~1994
516631911033263839 ~1991
516631913564760179111
516662391033324799 ~1991
516670791033341599 ~1991
516674574133396579 ~1993
516675719300162799 ~1994
516676131984036339311 ~1997
Exponent Prime Factor Digits Year
516676911033353839 ~1991
516683391033366799 ~1991
516704391033408799 ~1991
516706035167060319 ~1993
516708078267329139 ~1993
516717591033435199 ~1991
516720119300961999 ~1994
516728391033456799 ~1991
516756711033513439 ~1991
51676213124022911310 ~1994
516762591033525199 ~1991
516762831033525679 ~1991
516765111033530239 ~1991
516770511033541039 ~1991
516809031033618079 ~1991
516810413100862479 ~1992
51681893124036543310 ~1994
516833991033667999 ~1991
516848511033697039 ~1991
516856191033712399 ~1991
516858738269739699 ~1993
516861894134895139 ~1993
516865494134923939 ~1993
516868791033737599 ~1991
516877613101265679 ~1992
Exponent Prime Factor Digits Year
516881391033762799 ~1991
516893533101361199 ~1992
516898311033796639 ~1991
516900111033800239 ~1991
516903111033806239 ~1991
516903231033806479 ~1991
516908413101450479 ~1992
516916911033833839 ~1991
516922333101533999 ~1992
516931338270901299 ~1993
516948591033897199 ~1991
516969711033939439 ~1991
51698033372225837710 ~1995
516980511033961039 ~1991
516990711033981439 ~1991
516991613101949679 ~1992
517004031034008079 ~1991
517020711034041439 ~1991
51702751206811004110 ~1994
517054431034108879 ~1991
517074591034149199 ~1991
517081191034162399 ~1991
517087311034174639 ~1991
517089711034179439 ~1991
517108431034216879 ~1991
Exponent Prime Factor Digits Year
517121213102727279 ~1992
517125711034251439 ~1991
517131591034263199 ~1991
517140231034280479 ~1991
517142031034284079 ~1991
517145394137163139 ~1993
517160391034320799 ~1991
517172933103037599 ~1992
517179231034358479 ~1991
517187813103126879 ~1992
517193511034387039 ~1991
51720737496519075310 ~1995
517213311034426639 ~1991
51722393155167179110 ~1994
517235991034471999 ~1991
517238118275809779 ~1993
517251294138010339 ~1993
517270374138162979 ~1993
517288791034577599 ~1991
51729863465568767110 ~1995
517301631034603279 ~1991
517305711034611439 ~1991
517311013103866079 ~1992
517319031034638079 ~1991
517326474138611779 ~1993
2165
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25-10-20