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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
26457803529156078 ~1989
26457863529157278 ~1989
26458031529160638 ~1989
26458499529169998 ~1989
26458559529171198 ~1989
264587234233395699 ~1991
264588131587528799 ~1990
26458871529177438 ~1989
26459099529181998 ~1989
26459159529183198 ~1989
26459483529189678 ~1989
26459711529194238 ~1989
26460503529210078 ~1989
26460719529214398 ~1989
26460911529218238 ~1989
26461199529223998 ~1989
26461223529224478 ~1989
26461691529233838 ~1989
26461859529237198 ~1989
26461943529238878 ~1989
264620272116962179 ~1990
26462699529253998 ~1989
26463071529261438 ~1989
26463659529273198 ~1989
26464859111152407910 ~1992
Exponent Prime Factor Digits Year
26465291529305838 ~1989
264655072117240579 ~1990
26465531529310638 ~1989
264655632646556319 ~1991
26466119529322398 ~1989
26466179529323598 ~1989
264663298469225299 ~1992
26466383529327678 ~1989
26466683529333678 ~1989
26466899529337998 ~1989
26467139529342798 ~1989
26467379529347598 ~1989
264674092117392739 ~1990
264678531588071199 ~1990
26468027174688978310 ~1993
26468231529364638 ~1989
26468347105873388110 ~1992
26468399529367998 ~1989
26469203529384078 ~1989
26469491529389838 ~1989
26469539529390798 ~1989
264695392117563139
26469959529399198 ~1989
264702731588216399 ~1990
26470319529406398 ~1989
Exponent Prime Factor Digits Year
26470679529413598 ~1989
264707331588243999 ~1990
26470739529414798 ~1989
264708771588252639 ~1990
264709794764776239 ~1991
26471111529422238 ~1989
26471339529426798 ~1989
264717011588302079 ~1990
26471831529436638 ~1989
26471891529437838 ~1989
26472191529443838 ~1989
26472311529446238 ~1989
26472431529448638 ~1989
26473043529460878 ~1989
26473439529468798 ~1989
264735112117880899 ~1990
26473691529473838 ~1989
26473883529477678 ~1989
26474471529489438 ~1989
264744731588468399 ~1990
264744734235915699
26474879529497598 ~1989
26474891529497838 ~1989
26475359529507198 ~1989
26475623529512478 ~1989
Exponent Prime Factor Digits Year
26476223529524478 ~1989
26476981127089508910 ~1992
26477543529550878 ~1989
26478563529571278 ~1989
26478659529573198 ~1989
264787571588725439 ~1990
264788636884504399 ~1992
264789172118313379 ~1990
26479763529595278 ~1989
26480099529601998 ~1989
26480159529603198 ~1989
26480963529619278 ~1989
26481419529628398 ~1989
26481491529629838 ~1989
264820039003881039 ~1992
264822412118579299 ~1990
26482331529646638 ~1989
26482559529651198 ~1989
26483063529661278 ~1989
26483783529675678 ~1989
26483939529678798 ~1989
26484131529682638 ~1989
26484239529684798 ~1989
264843771589062639 ~1990
26484599529691998 ~1989
1618
GIMPS The Prime Pages FactorDb.com
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25-04-13