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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
27131939542638798 ~1989
27132179542643598 ~1989
271329772170638179 ~1991
271331331627987999 ~1990
271331994883975839 ~1991
271333733798672239 ~1991
27133979542679598 ~1989
271341312713413119 ~1991
27134279542685598 ~1989
27134291542685838 ~1989
271345818140374319 ~1992
27134759542695198 ~1989
271347592170780739
27135203542704078 ~1989
27136211542724238 ~1989
27136309434180944110 ~1994
27136511151964461710 ~1993
27137651542753038 ~1989
27137783542755678 ~1989
27138323542766478 ~1989
27138911542778238 ~1989
27138971542779438 ~1989
27139559542791198 ~1989
27139943542798878 ~1989
27140051542801038 ~1989
Exponent Prime Factor Digits Year
27140363542807278 ~1989
27140411542808238 ~1989
27140651542813038 ~1989
27140819542816398 ~1989
27140843542816878 ~1989
271417733799848239 ~1991
271424592714245919 ~1991
271432138142963919 ~1992
27143351542867038 ~1989
27143639542872798 ~1989
271438811628632879 ~1990
271440172171521379 ~1991
271440418143212319 ~1992
27144119542882398 ~1989
27144443542888878 ~1989
27144839542896798 ~1989
27144959542899198 ~1989
271451472714514719 ~1991
271455771628734639 ~1990
27145691542913838 ~1989
27145763542915278 ~1989
27145883542917678 ~1989
27146039542920798 ~1989
27146051542921038 ~1989
27146579542931598 ~1989
Exponent Prime Factor Digits Year
27146699542933998 ~1989
27147443542948878 ~1989
27147479542949598 ~1989
27147539542950798 ~1989
27147671542953438 ~1989
271477672171821379 ~1991
27147839542956798 ~1989
27148151542963038 ~1989
271482134343714099 ~1991
27148223542964478 ~1989
271493212171945699 ~1991
27149711542994238 ~1989
271500072715000719 ~1991
27150023543000478 ~1989
271505771629034639 ~1990
27150923543018478 ~1989
27151739543034798 ~1989
27152003543040078 ~1989
271520931629125599 ~1990
27152711543054238 ~1989
27153083543061678 ~1989
27153839543076798 ~1989
27154331543086638 ~1989
27154511543090238 ~1989
27155951543119038 ~1989
Exponent Prime Factor Digits Year
27156323543126478 ~1989
27156359543127198 ~1989
271565336517567939 ~1992
271565411629392479 ~1990
27156611543132238 ~1989
27156971543139438 ~1989
271579032715790319 ~1991
27157979543159598 ~1989
27158063543161278 ~1989
27158303543166078 ~1989
27158459543169198 ~1989
27158711543174238 ~1989
271592392172739139 ~1991
27159383543187678 ~1989
271593976518255299 ~1992
27159851543197038 ~1989
27159959543199198 ~1989
27160103543202078 ~1989
27160151543203038 ~1989
271601811629610879 ~1990
271603331629619999 ~1990
27160643543212878 ~1989
27161111543222238 ~1989
27161243543224878 ~1989
27161339543226798 ~1989
1638
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25-04-13