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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.
Exp. Prime Factor Digits Year
138164327632877 ~1979
1381727110538178 ~1980
1381739442156498 ~1982
138190182914077 ~1980
1381993221118898 ~1981
138209927641997 ~1979
138212327642477 ~1979
1382221221155378 ~1981
138223782934237 ~1980
1382477193546798 ~1981
1382477525341278
138251927650397 ~1979
138265127653037 ~1979
13826632571753199 ~1984
1382677414803118 ~1982
1382779802011838 ~1983
138289127657837 ~1979
138293927658797 ~1979
1383209414962718 ~1982
1383323442663378 ~1982
1383377415013118 ~1982
1383449525710638 ~1982
138351783011037 ~1980
138365927673197 ~1979
138373783024237 ~1980
Exp. Prime Factor Digits Year
1383959581262798 ~1982
1384027138402718 ~1981
1384087664361778 ~1982
1384099470593678 ~1982
13842311245807919 ~1983
1384349193808878 ~1981
138439127687837 ~1979
1384507221521138 ~1981
1384661415398318 ~1982
138467927693597 ~1979
138481383088797 ~1980
1384879249278238 ~1981
138492183095277 ~1980
13849511329552979 ~1983
13850172216027219 ~1984
1385051110804098 ~1980
1385051581721438
13850712216113619 ~1984
1385093193913038 ~1981
138509927701997 ~1979
1385101221616178 ~1981
138511783107037 ~1980
138518327703677 ~1979
138521383112797 ~1980
138529127705837 ~1979
Exp. Prime Factor Digits Year
1385291110823298
138539927707997 ~1979
1385507332521698 ~1982
1385561665069298 ~1982
1385801110864098 ~1980
1385801415740318
138584327716877 ~1979
13858432439083699
1385953221752498 ~1981
1385977398884180710 ~1987
1385987332636898 ~1982
1386013332643138 ~1982
1386097332663298 ~1982
1386223138622318 ~1981
1386263693131518 ~1982
138638327727677 ~1979
138641927728397 ~1979
138655783193437 ~1980
1386587915147438 ~1983
138661127732237 ~1979
1386611110928898
1386617110929378 ~1980
13866171858066799
1386643138664318 ~1981
138665927733197 ~1979
Exp. Prime Factor Digits Year
1386691138669118 ~1981
1386731249611598 ~1981
1386731665630898
1386787138678718 ~1981
138683927736797 ~1979
1386977665748978 ~1982
1387123582591678 ~1982
138716327743277 ~1979
1387207887812498 ~1983
138727127745437 ~1979
1387327221972338 ~1981
1387357554942818 ~1982
1387367110989378 ~1980
1387499110999938 ~1980
1387517666008178 ~1982
13878471582145599 ~1983
13879872470616879 ~1984
138817127763437 ~1979
1388183360927598 ~1982
1388297111063778 ~1980
138836327767277 ~1979
1388467888618898 ~1983
1388479138847918 ~1981
1388789111103138 ~1980
138887383332397 ~1980
313
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26-07-19