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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
24361511487230238 ~1989
24361559487231198 ~1989
24361871487237438 ~1989
24362603487252078 ~1989
24362843487256878 ~1989
24362879487257598 ~1989
24362939487258798 ~1989
243630771461784639 ~1990
24363851487277038 ~1989
24364139487282798 ~1989
24364163487283278 ~1989
24364211487284238 ~1989
24364871487297438 ~1989
243648771949190179 ~1990
24365483487309678 ~1989
24365639487312798 ~1989
24366311487326238 ~1989
24366599487331998 ~1989
24366983487339678 ~1989
243674511949396099 ~1990
24367979487359598 ~1989
243681771949454179 ~1990
24368651487373038 ~1989
24368783487375678 ~1989
243697331462183999 ~1990
Exponent Prime Factor Digits Year
243701871949614979 ~1990
24370691487413838 ~1989
24370799487415998 ~1989
243708971462253839 ~1990
243710571462263439 ~1990
24371219487424398 ~1989
24371351487427038 ~1989
24372083487441678 ~1989
24372863487457278 ~1989
24373403487468078 ~1989
24373691487473838 ~1989
243738291949906339 ~1990
243738891949911139 ~1990
24374639487492798 ~1989
24375623487512478 ~1989
24375731487514638 ~1989
243759131462554799 ~1990
243761093412655279 ~1991
24376139487522798 ~1989
24377471487549438 ~1989
24378611487572238 ~1989
24378779487575598 ~1989
24378839487576798 ~1989
24379031487580638 ~1989
243791937801341779 ~1992
Exponent Prime Factor Digits Year
24379391487587838 ~1989
243801314388423599 ~1991
24380179102396751910 ~1992
24380351487607038 ~1989
243806331462837999 ~1990
243807771950462179 ~1990
24380879487617598 ~1989
243815691950525539 ~1990
24381611487632238 ~1989
24382103487642078 ~1989
243821571462929439 ~1990
243826095851826179 ~1991
243829911950639299 ~1990
24383291487665838 ~1989
24383399487667998 ~1989
24383543487670878 ~1989
24383951487679038 ~1989
24385019487700398 ~1989
243853011463118079 ~1990
24386111487722238 ~1989
243868931463213599 ~1990
24386963487739278 ~1989
243871931463231599 ~1990
243878933414305039 ~1991
243879411951035299 ~1990
Exponent Prime Factor Digits Year
24388163487763278 ~1989
24388631487772638 ~1989
24389399487787998 ~1989
24389531487790638 ~1989
243897731463386399 ~1990
24389819487796398 ~1989
24389999487799998 ~1989
24390263487805278 ~1989
243904392439043919 ~1990
243905511951244099 ~1990
24390599487811998 ~1989
243907033902512499 ~1991
24391403487828078 ~1989
24391439487828798 ~1989
243914691951317539 ~1990
24391751487835038 ~1989
24392279487845598 ~1989
24392411487848238 ~1989
24392591487851838 ~1989
24392999487859998 ~1989
243931911951455299 ~1990
24393403102452292710 ~1992
243939111951512899 ~1990
24393923487878478 ~1989
24393983487879678 ~1989
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25-04-13