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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
1819577145566178
18195773056889379
1819637254749198 ~1982
1819841109190478 ~1981
1819849436763778 ~1983
181987136397437 ~1980
1820047182004718 ~1982
1820051145604098 ~1981
182011136402237 ~1980
1820129145610338 ~1981
1820129691649038
1820237254833198 ~1982
18203031019369699 ~1983
1820339910169518 ~1983
1820419873801138 ~1983
182057936411597 ~1980
1820629436950978 ~1983
1820633254888638 ~1982
182069936413997 ~1980
1820699436967778
182071136414237 ~1980
182089136417837 ~1980
1820927327766878 ~1982
1820983182098318 ~1982
182099936419997 ~1980
Exp. Prime Factor Digits Year
1821037291365938 ~1982
18211071748262739 ~1984
1821181109270878 ~1981
1821233437095938 ~1983
1821257145700578 ~1981
1821371764975838 ~1983
1821377145710178 ~1981
1821497437159298 ~1983
182173136434637 ~1980
1821763182176318 ~1982
1821791327922398 ~1982
18218712056892359111 ~1989
182195936439197 ~1980
182209136441837 ~1980
1822091145767298
1822217145777378 ~1981
1822229145778338 ~1981
182255936451197 ~1980
182257136451437 ~1980
182270336454077 ~1980
1822787145822978 ~1981
182281136456237 ~1980
1822811328105998
1823021109381278 ~1981
18230211312575139
Exp. Prime Factor Digits Year
18230471604281379 ~1984
182305136461037 ~1980
18230991458479219 ~1984
182323136464637 ~1980
182329136465837 ~1980
1823443437626338 ~1983
1823533109411998 ~1981
1823543474121198 ~1983
182360336472077 ~1980
182366336473277 ~1980
1823671765941838 ~1983
1823737437696898 ~1983
1823779328280238 ~1982
1823797199888151310 ~1987
1823863182386318 ~1982
182390336478077 ~1980
1823953109437198 ~1981
182396336479277 ~1980
1823963583668178
1824227328360878 ~1982
182423936484797 ~1980
1824367182436718 ~1982
1824421401372638 ~1982
1824577109474638 ~1981
1824649729859618 ~1983
Exp. Prime Factor Digits Year
1824677437922498 ~1983
182474336494877 ~1980
1824859437966178 ~1983
1824917145993378 ~1981
1824917255488398
182507936501597 ~1980
1825141109508478 ~1981
182516336503277 ~1980
1825309100391995110 ~1986
182533136506637 ~1980
182539136507837 ~1980
1825597876286578 ~1983
1825757109545438 ~1981
1825963292154098 ~1982
18259693177186079 ~1985
182600336520077 ~1980
18260231643420719 ~1984
1826047182604718 ~1982
1826063438255138 ~1983
1826141584365138 ~1983
182618336523677 ~1980
1826399146111938 ~1981
1826611328789998 ~1982
182665136533037 ~1980
1826689401871598 ~1982
371
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26-03-15