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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
19306379386127598 ~1988
19306643386132878 ~1988
193066871930668719 ~1990
19306799386135998 ~1988
19307339386146798 ~1988
19307399386147998 ~1988
19307531386150638 ~1988
19307891386157838 ~1988
19309019386180398 ~1988
19309583386191678 ~1988
19309919386198398 ~1988
19310111386202238 ~1988
19310339386206798 ~1988
19310443760831454310 ~1994
19310939386218798 ~1988
19311119386222398 ~1988
193111211158667279 ~1989
193112113476017999 ~1990
193118991544951939 ~1989
193123674634968099 ~1991
19312823386256478 ~1988
19313531386270638 ~1988
19313543386270878 ~1988
19313711386274238 ~1988
19314083386281678 ~1988
Exponent Prime Factor Digits Year
19314539386290798 ~1988
193148211545185699 ~1989
19314959386299198 ~1988
19315199386303998 ~1988
193153271931532719 ~1990
19315559386311198 ~1988
19316519386330398 ~1988
19316543386330878 ~1988
193165671545325379 ~1989
19316567189302356710
19316651386333038 ~1988
193168211159009279 ~1989
19316903386338078 ~1988
193172034636128739 ~1991
19317443386348878 ~1988
19317911386358238 ~1988
19317983386359678 ~1988
19318583386371678 ~1988
19318703386374078 ~1988
19318751386375038 ~1988
19318889247281779310 ~1992
19318979386379598 ~1988
19319039386380798 ~1988
19319059112050542310 ~1991
193192814250241839 ~1990
Exponent Prime Factor Digits Year
193195011159170079 ~1989
19319519386390398 ~1988
193195511931955119 ~1990
193196833091149299 ~1990
193208771159252639 ~1989
193213911545711299 ~1989
19322003386440078 ~1988
19322041135254287110 ~1992
193220533091528499 ~1990
19323071386461438 ~1988
19323191386463838 ~1988
19323299386465998 ~1988
193236171159417039 ~1989
19323659386473198 ~1988
193236591545892739
19323719386474398 ~1988
19323851386477038 ~1988
19323911386478238 ~1988
19324199386483998 ~1988
193242131159452799 ~1989
19324271386485438 ~1988
193245411545963299 ~1989
19324559386491198 ~1988
19325639386512798 ~1988
193261931159571599 ~1989
Exponent Prime Factor Digits Year
19326311386526238 ~1988
19326551386531038 ~1988
19326683386533678 ~1988
19327211386544238 ~1988
193278791932787919 ~1990
19328279386565598 ~1988
193284971159709839 ~1989
193290411159742479 ~1989
19329071386581438 ~1988
193292935798787919 ~1991
19329851386597038 ~1988
19330463386609278 ~1988
19330859386617198 ~1988
19331219386624398 ~1988
193314899279114739 ~1991
19331831386636638 ~1988
19331843386636878 ~1988
19332083386641678 ~1988
19332419386648398 ~1988
193331231933312319 ~1990
19333679386673598 ~1988
19333859386677198 ~1988
193339315026822079 ~1991
19334303386686078 ~1988
19335119386702398 ~1988
1395
GIMPS The Prime Pages FactorDb.com
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25-05-04