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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
42609263852185278 ~1991
42612023852240478 ~1991
42612299852245998 ~1991
42614111852282238 ~1991
42614471852289438 ~1991
42615011852300238 ~1991
426159612556957679 ~1992
42616751852335038 ~1991
426175034261750319 ~1992
42617651852353038 ~1991
42618743852374878 ~1991
42620423852408478 ~1991
426207413409659299 ~1992
42621671852433438 ~1991
42622259852445198 ~1991
42623291852465838 ~1991
42624143852482878 ~1991
42624671852493438 ~1991
42624949230174724710 ~1994
42624971852499438 ~1991
42626411852528238 ~1991
426274332557645999 ~1992
42627971852559438 ~1991
426293412557760479 ~1992
42631499852629998 ~1991
Exponent Prime Factor Digits Year
426317095968439279 ~1993
42632483852649678 ~1991
426331332557987999 ~1992
426334197674015439 ~1993
42633443852668878 ~1991
426339172558035039 ~1992
42634213127902639110 ~1993
42634463852689278 ~1991
42634919852698398 ~1991
42635171852703438 ~1991
426362332558173999 ~1992
42636791852735838 ~1991
42638663852773278 ~1991
42638723852774478 ~1991
42638759852775198 ~1991
426393473411147779 ~1992
426393914263939119 ~1992
426401412558408479 ~1992
42640679102337629710 ~1993
42640859852817198 ~1991
42641327110867450310 ~1993
42642779852855598 ~1991
426438011698...3147511284e4 2009
426441532558649199 ~1992
42644579852891598 ~1991
Exponent Prime Factor Digits Year
42644663852893278 ~1991
426447132558682799 ~1992
426448812558692879 ~1992
42645563852911278 ~1991
42646031852920638 ~1991
426460332558761999 ~1992
426463612558781679 ~1992
42646823852936478 ~1991
426500572559003439 ~1992
426505816824092979 ~1993
42650963853019278 ~1991
426511874265118719 ~1992
42652391853047838 ~1991
42653239247388786310 ~1994
42655391853107838 ~1991
42655913853118260110 ~1996
42656039853120798 ~1991
426561773412494179 ~1992
42656219853124398 ~1991
42656291853125838 ~1991
426563572559381439 ~1992
426586212559517279 ~1992
42660119853202398 ~1991
42660323853206478 ~1991
42660911853218238 ~1991
Exponent Prime Factor Digits Year
42661207102386896910 ~1993
42661369127984107110 ~1993
42661691853233838 ~1991
426616913412935299
42663851853277038 ~1991
42663899853277998 ~1991
42663983853279678 ~1991
42664949102395877710 ~1993
426653212559919279 ~1992
426653332559919999 ~1992
426659476826551539 ~1993
426664932559989599 ~1992
426669012560014079 ~1992
42667991853359838 ~1991
42668123853362478 ~1991
426684597680322639 ~1993
42668891853377838 ~1991
42669551853391038 ~1991
426730917681156399 ~1993
42673283853465678 ~1991
42673511853470238 ~1991
426771713414173699 ~1992
42678071853561438 ~1991
42678323853566478 ~1991
42679739853594798 ~1991
2195
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26-07-19