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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
1890846971323592879111 ~1999
1890871793781743599 ~1996
1891067513782135039 ~1996
189109157113465494310 ~1997
1891136513782273039 ~1996
189119431340414975910 ~1998
189121717453892120910 ~1998
1891222433782444879 ~1996
1891230593782461199 ~1996
189127319151301855310 ~1997
189128917302606267310 ~1998
1891318433782636879 ~1996
1891392833782785679 ~1996
1891422233782844479 ~1996
1891429793782859599 ~1996
1891430393782860799 ~1996
1891437113782874239 ~1996
1891594793783189599 ~1996
1891695593783391199 ~1996
1891727993783455999 ~1996
189194561151355648910 ~1997
189194659189194659110 ~1997
189208967151367173710 ~1997
1892187593784375199 ~1996
1892444633784889279 ~1996
Exponent Prime Factor Digits Year
1892492393784984799 ~1996
189249821151399856910 ~1997
1892528033785056079 ~1996
189253201113551920710 ~1997
189259607454223056910 ~1998
1892718113785436239 ~1996
1892747633785495279 ~1996
1892776313785552639 ~1996
1892807393785614799 ~1996
1892934593785869199 ~1996
1892945513785891039 ~1996
1892949713785899439 ~1996
1892965313785930639 ~1996
1892973593785947199 ~1996
1892988191703689371111 ~2000
1893044633786089279 ~1996
1893048593786097199 ~1996
1893094793786189599 ~1996
1893118193786236399 ~1996
1893134993786269999 ~1996
1893178193786356399 ~1996
189319799151455839310 ~1997
1893260993786521999 ~1996
1893410393786820799 ~1996
1893496193786992399 ~1996
Exponent Prime Factor Digits Year
189350011302960017710 ~1998
1893509393787018799 ~1996
189356533302970452910 ~1998
1893565433787130879 ~1996
189362267151489813710 ~1997
1893637193787274399 ~1996
1893648593787297199 ~1996
1893666233787332479 ~1996
1893743513787487039 ~1996
189376001151500800910 ~1997
1893857993787715999 ~1996
1893880913787761839 ~1996
1893901433787802879 ~1996
1893925193787850399 ~1996
1893993233787986479 ~1996
1894011233788022479 ~1996
1894021793788043599 ~1996
1894031993788063999 ~1996
189407717113644630310 ~1997
189426763189426763110 ~1997
1894286633788573279 ~1996
189433339189433339110 ~1997
1894343633788687279 ~1996
1894348913788697839 ~1996
1894382993788765999 ~1996
Exponent Prime Factor Digits Year
189445153113667091910 ~1997
1894545713789091439 ~1996
189455921113673552710 ~1997
189456479151565183310 ~1997
1894600793789201599 ~1996
189467947189467947110 ~1997
189473429265262800710 ~1998
189478897113687338310 ~1997
189481781113689068710 ~1997
1894870793789741599 ~1996
1894873011819078089711 ~2000
1894880033789760079 ~1996
1894924193789848399 ~1996
189501001113700600710 ~1997
1895027393790054799 ~1996
1895028713790057439 ~1996
1895055833790111679 ~1996
1895080313790160639 ~1996
189517313113710387910 ~1997
1895206793790413599 ~1996
1895209793790419599 ~1996
1895230793790461599 ~1996
1895233313790466639 ~1996
1895277713790555439 ~1996
1895357393790714799 ~1996
2731
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25-04-20