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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
1782589427821378 ~1982
1782611142608898 ~1981
178274335654877 ~1980
1782769392209198 ~1982
1782797106967838 ~1981
1782829427878978 ~1982
1782917106975038 ~1981
1782961106977678 ~1981
1783043427930338 ~1982
178316335663277 ~1980
1783423178342318 ~1981
1783427142674178 ~1981
1783469142677538 ~1981
1783643570765778 ~1983
1783781107026878 ~1981
1783813392438878 ~1982
1783921107035278 ~1981
1784203178420318 ~1981
178423135684637 ~1980
1784281107056878 ~1981
1784389713755618 ~1983
1784557107073438 ~1981
1784633107077998 ~1981
1784641285542578 ~1982
1784647178464718 ~1981
Exp. Prime Factor Digits Year
1784833713933218 ~1983
178496335699277 ~1980
1785257249935998 ~1982
1785347892673518 ~1983
1785401856992498 ~1983
178541935708397 ~1980
1785473249966238 ~1982
1785491321388398 ~1982
178559935711997 ~1980
17856131142792339 ~1983
17856835892753919 ~1985
1785713107142798 ~1981
178577935715597 ~1980
1785779571449298
1785811285729778 ~1982
1785961107157678 ~1981
1785961285753778
1785977250036798 ~1982
1786201392964238 ~1982
178622335724477 ~1980
178633135726637 ~1980
1786363178636318 ~1981
178643935728797 ~1980
1786439428745378
178645135729037 ~1980
Exp. Prime Factor Digits Year
1786591285854578 ~1982
1786591321586398
1786753107205198 ~1981
17867871000600739 ~1983
1786843607526638 ~1983
178694335738877 ~1980
1787033250184638 ~1982
178703935740797 ~1980
1787129142970338 ~1981
1787129571881298
1787143178714318 ~1982
1787293107237598 ~1981
1787437428984898 ~1982
1787573107254398 ~1981
1787587321765678 ~1982
1787707178770718 ~1982
1788187286109938 ~1982
178823935764797 ~1980
1788253393415678 ~1982
1788271321888798 ~1982
1788313107298798 ~1981
1788341143067298 ~1981
178862335772477 ~1980
1788649536594718 ~1983
1788727608167198 ~1983
Exp. Prime Factor Digits Year
178886335777277 ~1980
1788949429347778 ~1982
1789169143133538 ~1981
1789169536750718
1789181143134498 ~1981
1789247429419298 ~1982
1789343465229198 ~1983
1789391572605138 ~1983
178945135789037 ~1980
1789493250529038 ~1982
178955935791197 ~1980
1789693393732478 ~1982
1789769966475278 ~1983
1789973966585438 ~1983
178997935799597 ~1980
179005135801037 ~1980
1790071322212798 ~1982
1790077107404638 ~1981
179023135804637 ~1980
1790233286437298 ~1982
179029135805837 ~1980
1790323179032318 ~1982
179033935806797 ~1980
1790419179041918 ~1982
1790419716167618
355
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25-04-13