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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
23190119463802398 ~1988
231904571391427439 ~1990
23190683463813678 ~1988
23191079463821598 ~1988
231918011391508079 ~1990
23193503463870078 ~1988
231936971391621839 ~1990
23194271463885438 ~1988
23194331463886638 ~1988
23194739463894798 ~1988
23195303463906078 ~1988
231954496958634719 ~1991
23195591463911838 ~1988
23195759463915198 ~1988
23196011463920238 ~1988
231968691855749539 ~1990
231969971391819839 ~1990
23197151463943038 ~1988
23197211463944238 ~1988
23198039463960798 ~1988
23198111463962238 ~1988
23198243463964878 ~1988
23198663463973278 ~1988
231988731391932399 ~1990
231997211391983279 ~1990
Exponent Prime Factor Digits Year
232008171392049039 ~1990
232009211392055279 ~1990
232009219280368419
232009877888335599 ~1992
232011591856092739 ~1990
232013571392081439 ~1990
232014192320141919 ~1990
23201939464038798 ~1988
23202659464053198 ~1988
23203319464066398 ~1988
23203751464075038 ~1988
23203931464078638 ~1988
23204123464082478 ~1988
23204183464083678 ~1988
23204231464084638 ~1988
232051999282079619 ~1992
23205779464115598 ~1988
23206031464120638 ~1988
232063971856511779 ~1990
23206523464130478 ~1988
23206559464131198 ~1988
23207543464150878 ~1988
232078611392471679 ~1990
23207963464159278 ~1988
23208131464162638 ~1988
Exponent Prime Factor Digits Year
23208203464164078 ~1988
23208571153176568710 ~1992
23208611464172238 ~1988
23208803464176078 ~1988
232089731392538399 ~1990
23209031464180638 ~1988
23209451464189038 ~1988
23209559464191198 ~1988
23209799464195998 ~1988
23209883464197678 ~1988
23210003464200078 ~1988
23210171464203438 ~1988
232104613713673779 ~1991
23210699464213998 ~1988
23211143464222878 ~1988
232114272321142719 ~1990
23211451259968251310 ~1993
23211709162481963110 ~1992
23212331464246638 ~1988
23212379464247598 ~1988
23212751464255038 ~1988
23212823464256478 ~1988
23212979464259598 ~1988
23213363464267278 ~1988
232136571392819439 ~1990
Exponent Prime Factor Digits Year
23213951464279038 ~1988
23214011464280238 ~1988
23214083464281678 ~1988
23214731464294638 ~1988
23214791464295838 ~1988
23215091464301838 ~1988
23215823464316478 ~1988
232159571392957439 ~1990
232159875571836899 ~1991
232160274178884879 ~1991
232160411392962479 ~1990
23217479464349598 ~1988
232177931393067599 ~1990
23218619464372398 ~1988
23218859464377198 ~1988
23219039464380798 ~1988
232192933715086899 ~1991
23219639464392798 ~1988
23219771464395438 ~1988
23219783464395678 ~1988
232201392322013919 ~1990
23221091464421838 ~1988
23221259464425198 ~1988
23222219464444398 ~1988
232223691857789539 ~1990
1519
GIMPS The Prime Pages FactorDb.com
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25-04-13