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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
7281247728124718 ~1986
7281277436876638 ~1986
7282217436933038 ~1986
7282621436957278 ~1986
7282679145653598 ~1985
7282739145654798 ~1985
7282811145656238 ~1985
7282811582624898
7282981436978878 ~1986
7283173436990398 ~1986
7283351145667038 ~1985
7283401437004078 ~1986
7283411145668238 ~1985
7283411582672898
72834171019678399 ~1987
7283657437019438 ~1986
7283741582699298 ~1986
7283777582702178 ~1986
7283833437029998 ~1986
7283891145677838 ~1985
7283999145679998 ~1985
7284131145682638 ~1985
7284197437051838 ~1986
7284443145688878 ~1985
7284493437069598 ~1986
Exp. Prime Factor Digits Year
72847491748339779 ~1987
7284971145699438 ~1985
72850491019906879 ~1987
7285081437104878 ~1986
72852191311339439 ~1987
7285391421095599910 ~1991
7285919582873538 ~1986
7286099145721998 ~1985
72861372914454819 ~1988
72863111165809779 ~1987
7286687582934978 ~1986
7287097437225838 ~1986
7287359145747198 ~1985
7287437437246238 ~1986
7287911145758238 ~1985
7288103145762078 ~1985
7288159728815918 ~1986
72881631749159139 ~1987
7288181437290878 ~1986
7288273437296398 ~1986
7288691145773838 ~1985
7288763145775278 ~1985
72888431166214899 ~1987
7289099145781998 ~1985
7289279145785598 ~1985
Exp. Prime Factor Digits Year
7289339145786798 ~1985
7289363145787278 ~1985
7289519145790398 ~1985
7289599153081579110 ~1990
7289669583173538 ~1986
7290191145803838 ~1985
7290359145807198 ~1985
7290541437432478 ~1986
7290557583244578 ~1986
7290863145817278 ~1985
7290971583277698 ~1986
7291121583289698 ~1986
72916071312489279 ~1987
72918313062569039 ~1988
7292063145841278 ~1985
7292237115217344710 ~1989
7292381437542878 ~1986
7292381583390498
72924011604328239 ~1987
7292501437550078 ~1986
72926931020977039 ~1987
72927072479520399 ~1988
7292819145856398 ~1985
7292821437569278 ~1986
72928511312713199 ~1987
Exp. Prime Factor Digits Year
7293371145867438 ~1985
7293431145868638 ~1985
7293497583479778 ~1986
7293719145874398 ~1985
7293899145877998 ~1985
7293911145878238 ~1985
7294201437652078 ~1986
7294409583552738 ~1986
7294571583565698 ~1986
7294757583580578 ~1986
7295003145900078 ~1985
7295201437712078 ~1986
7295231145904638 ~1985
7295471145909438 ~1985
7295471583637698
7295699145913998 ~1985
7295719729571918 ~1986
7295759583660738 ~1986
7296127729612718 ~1986
7296379729637918 ~1986
7296427729642718 ~1986
7296781437806878 ~1986
72968413356546879 ~1988
7296851145937038 ~1985
7296973437818398 ~1986
849
GIMPS The Prime Pages FactorDb.com
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25-05-04