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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
190849931145099599 ~1989
19085123381702478 ~1988
19085711381714238 ~1988
19085779339726866310 ~1993
19085831381716638 ~1988
19085999381719998 ~1988
190861671526893379 ~1989
190863772672092799 ~1990
190866011145196079 ~1989
190867011145202079 ~1989
19086923381738478 ~1988
19087151381743038 ~1988
190883411145300479 ~1989
19088519381770398 ~1988
190887473435974479 ~1990
19088831381776638 ~1988
19089611381792238 ~1988
190899011145394079 ~1989
19090139381802798 ~1988
19090523381810478 ~1988
19090979381819598 ~1988
19091291381825838 ~1988
190914611145487679 ~1989
190916271527330179 ~1989
190919113054705779 ~1990
Exponent Prime Factor Digits Year
19092263381845278 ~1988
190923171145539039 ~1989
190932531145595199 ~1989
19093523381870478 ~1988
19093631381872638 ~1988
19093883381877678 ~1988
19094219381884398 ~1988
19094903381898078 ~1988
19095491381909838 ~1988
190961274964993039 ~1991
19096439381928798 ~1988
190966695729000719 ~1991
19096991381939838 ~1988
19097159381943198 ~1988
190976571527812579 ~1989
19098143381962878 ~1988
19098851381977038 ~1988
19098983381979678 ~1988
19099189122234809710 ~1992
19099271381985438 ~1988
190993191527945539 ~1989
190994591909945919 ~1990
19099631381992638 ~1988
19099799381995998 ~1988
19099919381998398 ~1988
Exponent Prime Factor Digits Year
19100303382006078 ~1988
191005331146031999 ~1989
19100663382013278 ~1988
19100759382015198 ~1988
191016291528130339 ~1989
19101671382033438 ~1988
191017372674243199 ~1990
19101779382035598 ~1988
19101839382036798 ~1988
191018936112605779 ~1991
191020011146120079 ~1989
19102199382043998 ~1988
19102379382047598 ~1988
19102511382050238 ~1988
19103159382063198 ~1988
19103219382064398 ~1988
19103411382068238 ~1988
19103879382077598 ~1988
191040471528323779 ~1989
19104203382084078 ~1988
19104383382087678 ~1988
191044573056713139 ~1990
19104971382099438 ~1988
191052772674738799 ~1990
19105343382106878 ~1988
Exponent Prime Factor Digits Year
19105379382107598 ~1988
19106051382121038 ~1988
19106063382121278 ~1988
191073798025099199 ~1991
191074199171561139 ~1991
19107443382148878 ~1988
191082171528657379 ~1989
191084879172073779 ~1991
191084991528679939 ~1989
191085119172085299 ~1991
19108751382175038 ~1988
19108811382176238 ~1988
191088771146532639 ~1989
19108987814042846310 ~1994
19109063382181278 ~1988
19109257103189987910 ~1991
19109939382198798 ~1988
19110131382202638 ~1988
19110191382203838 ~1988
191110631911106319 ~1990
191110731146664399 ~1989
19111271382225438 ~1988
19111583382231678 ~1988
19111871382237438 ~1988
191122571146735439 ~1989
1404
GIMPS The Prime Pages FactorDb.com
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25-07-08