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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
17788871355777438 ~1988
177890691423125539 ~1989
177893231778932319 ~1989
17789459355789198 ~1988
17789699355793998 ~1988
17789819355796398 ~1988
17790191355803838 ~1988
177902591779025919 ~1989
17791019355820398 ~1988
17791223355824478 ~1988
17791439355828798 ~1988
177915911779159119 ~1989
17792003355840078 ~1988
17792699355853998 ~1988
17793563355871278 ~1988
17793911355878238 ~1988
17794739355894798 ~1988
17794807103209880710 ~1991
17794823355896478 ~1988
17795003355900078 ~1988
17795051355901038 ~1988
17795159355903198 ~1988
17795363355907278 ~1988
17796563355931278 ~1988
17796659355933198 ~1988
Exponent Prime Factor Digits Year
17796791355935838 ~1988
177968273203428879 ~1990
17796851355937038 ~1988
17796899355937998 ~1988
17796983355939678 ~1988
17797823355956478 ~1988
17797931355958638 ~1988
177980511423844099 ~1989
17798279355965598 ~1988
17798723355974478 ~1988
17798999355979998 ~1988
177991132491875839 ~1990
17799311355986238 ~1988
177994074627845839 ~1990
17799443355988878 ~1988
178000731068004399 ~1989
178007991424063939 ~1989
17800859356017198 ~1988
17800883356017678 ~1988
17801219356024398 ~1988
17801291356025838 ~1988
17801411356028238 ~1988
17801783356035678 ~1988
17801891356037838 ~1988
17802131356042638 ~1988
Exponent Prime Factor Digits Year
17802203356044078 ~1988
17802311356046238 ~1988
17803631356072638 ~1988
17803979356079598 ~1988
17803991356079838 ~1988
17804411356088238 ~1988
17804471356089438 ~1988
17804519356090398 ~1988
17804711356094238 ~1988
17805863356117278 ~1988
17805899356117998 ~1988
178060571068363439 ~1989
178061112848977779 ~1990
178063513205143199 ~1990
17806511356130238 ~1988
17806931356138638 ~1988
17807183356143678 ~1988
178072811068436879 ~1989
17807843356156878 ~1988
178081271780812719 ~1989
17808863356177278 ~1988
178088634630304399
17809079356181598 ~1988
178093616767557199 ~1991
178094831780948319 ~1989
Exponent Prime Factor Digits Year
17809679356193598 ~1988
17810003356200078 ~1988
178101612849625779 ~1990
17810183356203678 ~1988
17810423356208478 ~1988
178109811068658879 ~1989
17811239356224798 ~1988
178114911424919299 ~1989
17811779356235598 ~1988
17812043356240878 ~1988
17812079356241598 ~1988
17812331356246638 ~1988
17812439356248798 ~1988
178126011068756079 ~1989
17812703356254078 ~1988
17813171356263438 ~1988
178135032850160499 ~1990
17813819356276398 ~1988
17813843356276878 ~1988
17814059356281198 ~1988
178143118550869299 ~1991
17814899356297998 ~1988
17815151356303038 ~1988
17815571356311438 ~1988
17815859356317198 ~1988
1358
GIMPS The Prime Pages FactorDb.com
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25-07-08