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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
16102259322045198 ~1987
161024471610244719 ~1989
161029512898531199 ~1990
16102991322059838 ~1987
16103159322063198 ~1987
16103579322071598 ~1987
16103831322076638 ~1987
16104131322082638 ~1987
16104653966279198 ~1988
16104911322098238 ~1987
16105139322102798 ~1987
16106401966384078 ~1988
16106459322129198 ~1987
16106483322129678 ~1987
161065611288524899 ~1989
16106771322135438 ~1987
16107023322140478 ~1987
161074337409419199 ~1991
16107779322155598 ~1987
16108259322165198 ~1987
16108583322171678 ~1987
161086491288691939 ~1989
16108663103095443310 ~1991
16108679322173598 ~1987
16109161966549678 ~1988
Exponent Prime Factor Digits Year
16109339322186798 ~1987
16109519322190398 ~1987
16109771322195438 ~1987
16110973966658398 ~1988
16111079322221598 ~1987
16111499322229998 ~1987
16111619322232398 ~1987
161118311611183119 ~1989
16112177966730638 ~1988
16112423322248478 ~1987
16112639322252798 ~1987
161130792900354239 ~1990
16113599322271998 ~1987
16113899322277998 ~1987
16114211322284238 ~1987
16114523322290478 ~1987
16114643322292878 ~1987
16114883322297678 ~1987
16114913966894798 ~1988
16115221966913278 ~1988
16116539322330798 ~1987
16117763322355278 ~1987
16117919322358398 ~1987
161179791289438339 ~1989
16118183322363678 ~1987
Exponent Prime Factor Digits Year
16118639322372798 ~1987
161187616447504419 ~1990
16118891322377838 ~1987
16119371322387438 ~1987
161195831611958319 ~1989
16119611322392238 ~1987
16119671322393438 ~1987
16120739322414798 ~1987
16121051322421038 ~1987
16121453967287198 ~1988
16121639322432798 ~1987
161217591289740739 ~1989
16122311322446238 ~1987
16122539322450798 ~1987
16122803322456078 ~1987
16123777967426638 ~1988
16123901967434078 ~1988
16124291322485838 ~1987
16124519322490398 ~1987
161247771289982179 ~1989
16125143322502878 ~1987
16125581967534878 ~1988
16125961967557678 ~1988
16126037967562238 ~1988
161263371290106979 ~1989
Exponent Prime Factor Digits Year
16126751322535038 ~1987
16127183322543678 ~1987
16127711322554238 ~1987
161277672580442739 ~1989
161281132257935839 ~1989
161283193870796579 ~1990
16128551322571038 ~1987
16128743322574878 ~1987
16128863322577278 ~1987
16129163322583278 ~1987
16130041967802478 ~1988
16130111322602238 ~1987
16130123322602478 ~1987
16130903322618078 ~1987
16131761967905678 ~1988
16131833967909998 ~1988
16132073967924398 ~1988
16132271322645438 ~1987
16132799322655998 ~1987
16132973967978398 ~1988
161338932581422899 ~1989
16134263322685278 ~1987
16134541968072478 ~1988
16134659322693198 ~1987
16135043322700878 ~1987
1275
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25-04-13