Home e-mail
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
19112279382245598 ~1988
191122791528982339
19112543382250878 ~1988
19112759382255198 ~1988
191133771146802639 ~1989
191135871529086979 ~1989
19113911382278238 ~1988
19114223382284478 ~1988
191145171146871039 ~1989
19114559382291198 ~1988
19115363382307278 ~1988
191159771146958639 ~1989
19116203382324078 ~1988
19116719382334398 ~1988
19116731382334638 ~1988
191167611147005679 ~1989
19117079382341598 ~1988
191171511529372099 ~1989
19117331382346638 ~1988
19117463382349278 ~1988
191179131147074799 ~1989
191181171147087039 ~1989
191181714970724479 ~1991
19118471382369438 ~1988
191185211147111279 ~1989
Exponent Prime Factor Digits Year
19118783382375678 ~1988
19119011382380238 ~1988
19119071382381438 ~1988
19119251382385038 ~1988
19119851382397038 ~1988
19120763382415278 ~1988
19121051382421038 ~1988
19121279382425598 ~1988
19121891382437838 ~1988
19122563382451278 ~1988
191227311529818499 ~1989
19122899382457998 ~1988
191230575736917119 ~1991
191236311529890499 ~1989
19123859382477198 ~1988
19123991382479838 ~1988
19124519382490398 ~1988
191248011147488079 ~1989
19124951382499038 ~1988
191254333060069299 ~1990
19125779382515598 ~1988
19125959382519198 ~1988
19126091382521838 ~1988
19126403382528078 ~1988
19126883382537678 ~1988
Exponent Prime Factor Digits Year
191273931147643599 ~1989
19127891382557838 ~1988
19128259768956011910 ~1993
191287731147726399 ~1989
191290071530320579 ~1989
191291271530330179 ~1989
19129283382585678 ~1988
191293617269157199 ~1991
191296331147777999 ~1989
19129919382598398 ~1988
19130057107128319310 ~1991
19130483382609678 ~1988
19130603382612078 ~1988
19130939382618798 ~1988
19131023382620478 ~1988
19131191382623838 ~1988
19132103382642078 ~1988
19132391382647838 ~1988
19132499382649998 ~1988
19132511382650238 ~1988
19133111382662238 ~1988
19133363382667278 ~1988
19133459382669198 ~1988
19134221107151637710 ~1991
19134923107155568910 ~1991
Exponent Prime Factor Digits Year
191349371148096239 ~1989
19135079382701598 ~1988
19135211382704238 ~1988
191356011148136079 ~1989
191362131148172799 ~1989
19136303382726078 ~1988
19136399382727998 ~1988
19136459382729198 ~1988
19136531382730638 ~1988
19136699382733998 ~1988
19136879382737598 ~1988
19136963382739278 ~1988
19137203382744078 ~1988
191372534210195679 ~1990
19137539382750798 ~1988
19137551382751038 ~1988
19137719382754398 ~1988
191377731148266399 ~1989
19137983382759678 ~1988
19138571382771438 ~1988
19138631382772638 ~1988
19139111382782238 ~1988
191391791913917919 ~1990
19139303382786078 ~1988
19140179187573754310 ~1992
1405
GIMPS The Prime Pages FactorDb.com
Home
4.903.097 digits 		e-mail
25-07-08