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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
25448183508963678 ~1989
25449191508983838 ~1989
254492411526954479 ~1990
25449551508991038 ~1989
25449563508991278 ~1989
25450031509000638 ~1989
25450703509014078 ~1989
254510531527063199 ~1990
25451999509039998 ~1989
254524032545240319 ~1991
25452671509053438 ~1989
254530731527184399 ~1990
25453163509063278 ~1989
254535172036281379 ~1990
25453583509071678 ~1989
25453943509078878 ~1989
25454183509083678 ~1989
25454339509086798 ~1989
254545214072723379 ~1991
25454543509090878 ~1989
25454603509092078 ~1989
25454843509096878 ~1989
25455119509102398 ~1989
25455299509105998 ~1989
25455323509106478 ~1989
Exponent Prime Factor Digits Year
25455719509114398 ~1989
254558531527351199 ~1990
25455863509117278 ~1989
25456391509127838 ~1989
254568892036551139 ~1990
25457639509152798 ~1989
25457797137472103910 ~1992
25458431509168638 ~1989
25458551509171038 ~1989
25458659509173198 ~1989
25458743509174878 ~1989
25458791509175838 ~1989
25459103509182078 ~1989
25459223509184478 ~1989
25459751509195038 ~1989
254598592036788739 ~1990
254602334073637299 ~1991
25460531509210638 ~1989
254606212036849699 ~1990
25460663509213278 ~1989
25461071509221438 ~1989
25461251509225038 ~1989
25461731509234638 ~1989
25462259509245198 ~1989
25462799509255998 ~1989
Exponent Prime Factor Digits Year
25462883509257678 ~1989
25463051509261038 ~1989
25463411509268238 ~1989
254634296111222979 ~1991
25463843509276878 ~1989
254647973565071599 ~1991
25464863509297278 ~1989
25465619509312398 ~1989
25465631509312638 ~1989
25466411509328238 ~1989
254664112037312899
254669272037354179 ~1990
254669331528015999 ~1990
254674996112199779 ~1991
25467971509359438 ~1989
25468139509362798 ~1989
254685196112444579 ~1991
25468979509379598 ~1989
254696693565753679 ~1991
25469771509395438 ~1989
25469831509396638 ~1989
25470563509411278 ~1989
254708534075336499 ~1991
25471079509421598 ~1989
254713076622539839 ~1992
Exponent Prime Factor Digits Year
25471643509432878 ~1989
25472231509444638 ~1989
25472651509453038 ~1989
25473023509460478 ~1989
25473611509472238 ~1989
25473659509473198 ~1989
25473683509473678 ~1989
25473839509476798 ~1989
25474439509488798 ~1989
25474583509491678 ~1989
25476719509534398 ~1989
254767912038143299 ~1990
25476959509539198 ~1989
25477079509541598 ~1989
254780992038247939 ~1990
25478111509562238 ~1989
25478339509566798 ~1989
25478483509569678 ~1989
25478879509577598 ~1989
25478891509577838 ~1989
25479071509581438 ~1989
254791371528748239 ~1990
25479383509587678 ~1989
25479479509589598 ~1989
25480151509603038 ~1989
1588
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25-04-13