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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
18559379371187598 ~1988
185595731113574399 ~1989
18560099371201998 ~1988
18560303371206078 ~1988
185605931113635599 ~1989
18560819371216398 ~1988
185608372598517199 ~1990
18560879371217598 ~1988
18560903371218078 ~1988
18560963371219278 ~1988
185611814083459839 ~1990
18561443371228878 ~1988
18561503371230078 ~1988
185617211113703279 ~1989
18561863371237278 ~1988
18561923371238478 ~1988
18562331371246638 ~1988
18562499371249998 ~1988
185627811113766879 ~1989
185627871485022979 ~1989
18562931371258638 ~1988
185632971113797839 ~1989
18563339371266798 ~1988
185640615569218319 ~1991
18564251371285038 ~1988
Exponent Prime Factor Digits Year
18564503371290078 ~1988
18564839371296798 ~1988
18564971371299438 ~1988
18565103371302078 ~1988
185652771113916639 ~1989
18565583371311678 ~1988
185656931113941599 ~1989
185658011113948079 ~1989
18565919371318398 ~1988
18566291371325838 ~1988
18566843371336878 ~1988
18566963371339278 ~1988
18567539371350798 ~1988
18567611371352238 ~1988
18567779371355598 ~1988
185697011114182079 ~1989
18569891371397838 ~1988
185699271485594179 ~1989
18570143371402878 ~1988
18570479371409598 ~1988
18571271371425438 ~1988
18571547148572376110 ~1992
18571823371436478 ~1988
18572111371442238 ~1988
18572531371450638 ~1988
Exponent Prime Factor Digits Year
18572759371455198 ~1988
18572903371458078 ~1988
185730471485843779 ~1989
18573059371461198 ~1988
185730591485844739
185730771114384639 ~1989
18573419371468398 ~1988
185741211114447279 ~1989
18574163371483278 ~1988
18574331371486638 ~1988
18574403371488078 ~1988
18574511371490238 ~1988
18574739371494798 ~1988
185748131114488799 ~1989
18575003371500078 ~1988
18575411371508238 ~1988
18575423371508478 ~1988
185755032972080499 ~1990
18575759371515198 ~1988
18576059371521198 ~1988
18576611371532238 ~1988
18576683371533678 ~1988
185766971114601839 ~1989
18576839371536798 ~1988
185768411114610479 ~1989
Exponent Prime Factor Digits Year
18577631371552638 ~1988
18577703371554078 ~1988
185779132600907839 ~1990
185781371114688239 ~1989
18578459371569198 ~1988
18578711371574238 ~1988
185788511857885119 ~1989
18579611371592238 ~1988
18580403371608078 ~1988
18580559371611198 ~1988
185809435945901779 ~1991
18581063371621278 ~1988
185810931114865599 ~1989
18581099371621998 ~1988
18581219371624398 ~1988
18581351371627038 ~1988
185814193344655439 ~1990
185818511858185119 ~1989
185819331114915999 ~1989
185820732973131699 ~1990
185824011114944079 ~1989
18582803371656078 ~1988
185836271858362719 ~1989
185836274460070499
18583739371674798 ~1988
1378
GIMPS The Prime Pages FactorDb.com
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25-06-08