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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
177721071421768579 ~1989
177726611066359679 ~1989
177728931066373599 ~1989
17773271355465438 ~1988
17773333127967997710 ~1991
177733632843738099 ~1990
17773403355468078 ~1988
17774591355491838 ~1988
177747171066483039 ~1989
17774819355496398 ~1988
177750071777500719 ~1989
17775683355513678 ~1988
177757491422059939 ~1989
177760191422081539 ~1989
17776091355521838 ~1988
177763211066579279 ~1989
17776331355526638 ~1988
177763491422107939 ~1989
17776439355528798 ~1988
177764771066588639 ~1989
177767113199807999 ~1990
17776859355537198 ~1988
177775611066653679 ~1989
17777603355552078 ~1988
17777759355555198 ~1988
Exponent Prime Factor Digits Year
177784991777849919 ~1989
17778503355570078 ~1988
17778731355574638 ~1988
17778791355575838 ~1988
177787911422303299
17778983355579678 ~1988
17779211355584238 ~1988
17779319355586398 ~1988
177802631778026319 ~1989
17780363355607278 ~1988
17780891355617838 ~1988
17781191355623838 ~1988
177813011066878079 ~1989
177821471778214719 ~1989
177823193200817439 ~1990
17782343355646878 ~1988
177823931066943599 ~1989
177825111422600899 ~1989
177827531066965199 ~1989
177827532845240499
17783399355667998 ~1988
17784059355681198 ~1988
177846171067077039 ~1989
17785259355705198 ~1988
17785499355709998 ~1988
Exponent Prime Factor Digits Year
177858971067153839 ~1989
17786039355720798 ~1988
17786339355726798 ~1988
17786519355730398 ~1988
17786999355739998 ~1988
17787131355742638 ~1988
17787323355746478 ~1988
17787551355751038 ~1988
17787611355752238 ~1988
177876771067260639 ~1989
177879071778790719 ~1989
17788703355774078 ~1988
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
Exponent Prime Factor Digits Year
17792699355853998 ~1988
17793563355871278 ~1988
17793911355878238 ~1988
17794739355894798 ~1988
17794807103209880710 ~1991
17794823355896478 ~1988
17795003355900078 ~1988
17795051355901038 ~1988
17795159355903198 ~1988
17795363355907278 ~1988
17796563355931278 ~1988
17796659355933198 ~1988
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
1341
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25-05-04