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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
180001374320032899
180003971080023839 ~1989
18000539360010798 ~1988
18000683360013678 ~1988
18000803360016078 ~1988
180009717560407839 ~1991
18001031360020638 ~1988
180016931080101599 ~1989
18001859360037198 ~1988
18001871129613471310 ~1991
18002051360041038 ~1988
180021411080128479 ~1989
180021411440171299
180026411080158479 ~1989
180026511440212099 ~1989
18002843360056878 ~1988
180029234320701539 ~1990
18003299360065998 ~1988
18003371360067438 ~1988
18004463360089278 ~1988
18004733129634077710 ~1991
18004919360098398 ~1988
18004991360099838 ~1988
180055931080335599 ~1989
180056811440454499 ~1989
Exponent Prime Factor Digits Year
18005843360116878 ~1988
180070611080423679 ~1989
180075535402265919 ~1991
18007739360154798 ~1988
18007823360156478 ~1988
18008351360167038 ~1988
18008519360170398 ~1988
18009107100850999310 ~1991
180091971080551839 ~1989
180094211080565279 ~1989
180099731080598399 ~1989
180102111440816899 ~1989
18010787133279823910 ~1992
18012083360241678 ~1988
18012251360245038 ~1988
18012971360259438 ~1988
180129711441037699
180130494323131779 ~1990
18014063360281278 ~1988
18014219360284398 ~1988
18014303360286078 ~1988
180146532882344499 ~1990
18014939360298798 ~1988
180150731080904399 ~1989
18015383360307678 ~1988
Exponent Prime Factor Digits Year
180159131080954799 ~1989
18016079360321598 ~1988
18016139360322798 ~1988
18016331360326638 ~1988
18017159360343198 ~1988
18017651360353038 ~1988
18017663360353278 ~1988
180179594324310179 ~1990
180181571081089439 ~1989
18018191360363838 ~1988
18018263360365278 ~1988
180185511441484099 ~1989
180186172522606399 ~1990
18018839360376798 ~1988
18018911360378238 ~1988
18019271360385438 ~1988
18019559360391198 ~1988
180199132522787839 ~1990
18020231360404638 ~1988
18020963360419278 ~1988
180211971081271839 ~1989
180216296848219039 ~1991
18021959360439198 ~1988
18022073100923608910 ~1991
180221411081328479 ~1989
Exponent Prime Factor Digits Year
18022681173017737710 ~1992
180226911441815299 ~1989
18023171360463438 ~1988
180235611081413679 ~1989
180235911441887299 ~1989
18024263360485278 ~1988
180243731081462399 ~1989
180244674325872099 ~1990
180244934325878339 ~1990
18024551360491038 ~1988
18024659360493198 ~1988
18024911360498238 ~1988
18024971360499438 ~1988
180250011442000099 ~1989
18025223360504478 ~1988
18025751360515038 ~1988
180258791802587919 ~1989
18026219360524398 ~1988
18026279360525598 ~1988
18026453155027495910 ~1992
18026831360536638 ~1988
180268311442146499
180274811081648879 ~1989
18027959360559198 ~1988
180280571081683439 ~1989
1396
GIMPS The Prime Pages FactorDb.com
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25-11-02