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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
4711399439422798879 ~1999
471163397282698038310 ~2000
471166049659632468710 ~2001
4711792319423584639 ~1999
4711814999423629999 ~1999
4711888439423776879 ~1999
4711909919423819839 ~1999
4712087639424175279 ~1999
4712359074523864707311 ~2003
4712362319424724639 ~1999
4712371919424743839 ~1999
471240467376992373710 ~2000
4712516399425032799 ~1999
4712647919425295839 ~1999
4712690039425380079 ~1999
471271781377017424910 ~2000
471288421282773052710 ~2000
4713039239426078479 ~1999
4713049439426098879 ~1999
4713071211790967059911 ~2002
4713143039426286079 ~1999
471322121282793272710 ~2000
4713313919426627839 ~1999
4713430919426861839 ~1999
4713792839427585679 ~1999
Exponent Prime Factor Digits Year
4713838319427676639 ~1999
471412217282847330310 ~2000
4714220932545679302311 ~2002
471422761282853656710 ~2000
4714286039428572079 ~1999
4714366319428732639 ~1999
4714371119428742239 ~1999
4714376519428753039 ~1999
4714424039428848079 ~1999
471447089377157671310 ~2000
4714545599429091199 ~1999
471480731377184584910 ~2000
4715268239430536479 ~1999
4715523119431046239 ~1999
471556363471556363110 ~2000
4715630639431261279 ~1999
471580177282948106310 ~2000
471580853282948511910 ~2000
4715847839431695679 ~1999
4715884799431769599 ~1999
471595913282957547910 ~2000
4716036599432073199 ~1999
471610751377288600910 ~2000
4716138239432276479 ~1999
4716174839432349679 ~1999
Exponent Prime Factor Digits Year
471628901377303120910 ~2000
4716380999432761999 ~1999
4716443999432887999 ~1999
471649553282989731910 ~2000
4716744719433489439 ~1999
4716855239433710479 ~1999
4716856919433713839 ~1999
4716924119433848239 ~1999
471698657377358925710 ~2000
47170910911981411368712 ~2004
471710717660395003910 ~2001
471712457283027474310 ~2000
471726613754762580910 ~2001
4717335839434671679 ~1999
4717517999435035999 ~1999
4717813199435626399 ~1999
4717855199435710399 ~1999
471786053283071631910 ~2000
471792197283075318310 ~2000
4717994399435988799 ~1999
471814537283088722310 ~2000
4718156399436312799 ~1999
4718312639436625279 ~1999
4718468999436937999 ~1999
4718487599436975199 ~1999
Exponent Prime Factor Digits Year
471853661283112196710 ~2000
4718585039437170079 ~1999
4718618999437237999 ~1999
471873319471873319110 ~2000
471874037660623651910 ~2001
471879311377503448910 ~2000
471882319471882319110 ~2000
47190140345302534688112 ~2005
4719146999438293999 ~1999
4719158039438316079 ~1999
471918547849453384710 ~2001
471919661283151796710 ~2000
4719221639438443279 ~1999
4719333839438667679 ~1999
4719391319438782639 ~1999
471964433283178659910 ~2000
4719830039439660079 ~1999
471990413283194247910 ~2000
4719989039439978079 ~1999
4720038599440077199 ~1999
472006259377605007310 ~2000
472018517283211110310 ~2000
4720203839440407679 ~1999
4720514039441028079 ~1999
4720522199441044399 ~1999
3634
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26-07-05