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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
18549059370981198 ~1988
18549071370981438 ~1988
185494032967904499 ~1990
18549539370990798 ~1988
18549599370991998 ~1988
18549623370992478 ~1988
18549743370994878 ~1988
18549851370997038 ~1988
185499317790971039 ~1991
185501175565035119 ~1991
18550331371006638 ~1988
18550439371008798 ~1988
18550751371015038 ~1988
185519411113116479 ~1989
18552251371045038 ~1988
18552311371046238 ~1988
18552983371059678 ~1988
18553343371066878 ~1988
18553679371073598 ~1988
18553751371075038 ~1988
185538772597542799 ~1990
18554303371086078 ~1988
18554363371087278 ~1988
18554411371088238 ~1988
185544111484352899
Exponent Prime Factor Digits Year
185551391855513919 ~1989
18555263371105278 ~1988
18555539371110798 ~1988
18555731371114638 ~1988
18555791371115838 ~1988
185557931113347599 ~1989
185559912968958579 ~1990
185563277422530819 ~1991
18556403371128078 ~1988
18556523371130478 ~1988
18556619371132398 ~1988
18556799371135998 ~1988
18556991371139838 ~1988
18557219371144398 ~1988
18557663371153278 ~1988
18558623371172478 ~1988
185589731113538399 ~1989
18559283371185678 ~1988
18559319371186398 ~1988
18559379371187598 ~1988
185595731113574399 ~1989
18560099371201998 ~1988
18560303371206078 ~1988
185605931113635599 ~1989
18560819371216398 ~1988
Exponent Prime Factor Digits Year
185608372598517199 ~1990
18560879371217598 ~1988
18560903371218078 ~1988
18560963371219278 ~1988
18561443371228878 ~1988
18561503371230078 ~1988
185617211113703279 ~1989
18561863371237278 ~1988
18561923371238478 ~1988
18562331371246638 ~1988
18562499371249998 ~1988
185627811113766879 ~1989
18562931371258638 ~1988
185632971113797839 ~1989
18563339371266798 ~1988
185640615569218319 ~1991
18564251371285038 ~1988
18564503371290078 ~1988
18564839371296798 ~1988
18564971371299438 ~1988
18565103371302078 ~1988
185652771113916639 ~1989
18565583371311678 ~1988
185656931113941599 ~1989
185658011113948079 ~1989
Exponent Prime Factor Digits Year
18565919371318398 ~1988
18566291371325838 ~1988
18566843371336878 ~1988
18566963371339278 ~1988
18567539371350798 ~1988
18567611371352238 ~1988
18567779371355598 ~1988
18569891371397838 ~1988
185699271485594179 ~1989
18570143371402878 ~1988
18570479371409598 ~1988
18571271371425438 ~1988
18571547148572376110 ~1992
18571823371436478 ~1988
18572111371442238 ~1988
18572531371450638 ~1988
18572759371455198 ~1988
18572903371458078 ~1988
185730471485843779 ~1989
18573059371461198 ~1988
185730591485844739
185730771114384639 ~1989
18573419371468398 ~1988
185741211114447279 ~1989
18574163371483278 ~1988
1317
GIMPS The Prime Pages FactorDb.com
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24-10-27