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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
1891627453990498 ~1983
1891657567497118 ~1983
1891667151333378 ~1981
1891789416193598 ~1983
1892113870371998 ~1983
1892161113529678 ~1981
189217137843437 ~1980
189218337843677 ~1980
1892197870410638 ~1983
1892413756965218 ~1983
1892531151402498 ~1981
189259137851837 ~1980
189265137853037 ~1980
18926771022045599 ~1984
18927492233443839 ~1984
189284337856877 ~1980
1892867454288098 ~1983
1892893416436478 ~1983
1893029454326978 ~1983
1893209454370178 ~1983
1893317567995118 ~1983
1893469416563198 ~1983
18934695907623299
1893539340837038 ~1982
18935891476999439 ~1984
Exp. Prime Factor Digits Year
1893701719606398 ~1983
1893719908985138 ~1983
1893737113624238 ~1981
189397137879437 ~1980
1893973113638398 ~1981
18939732689441679
1894181113650878 ~1981
1894247151539778 ~1981
1894381113662878 ~1981
1894439151555138 ~1981
1894639189463918 ~1982
189464337892877 ~1980
18946911061026979 ~1984
1894933113695998 ~1981
1895027151602178 ~1981
189505137901037 ~1980
1895081568524318 ~1983
1895207492753838 ~1983
1895501720290398 ~1983
1895507151640578 ~1981
1895513113730798 ~1981
18956091175277599 ~1984
1895627454950498 ~1983
189571137914237 ~1980
18957491213279379 ~1984
Exp. Prime Factor Digits Year
1895779454986978 ~1983
189590337918077 ~1980
18959091365054499 ~1984
1895989455037378 ~1983
18959891365112099
1896071341292798 ~1982
1896091189609118 ~1982
1896091341296398
189626337925277 ~1980
189643137928637 ~1980
1896581720700798 ~1983
1896617265526398 ~1982
1896659151732738 ~1981
1896689151735138 ~1981
1896899607007698 ~1983
1896959151756738 ~1981
1896989455277378 ~1983
1897069455296578 ~1983
1897073455297538 ~1983
1897121113827278 ~1981
189713937942797 ~1980
1897237113834238 ~1981
1897327303572338 ~1982
1897367151789378 ~1981
1897409151792738 ~1981
Exp. Prime Factor Digits Year
1897459189745918 ~1982
1897561417463438 ~1983
1897667151813378 ~1981
1897717113863038 ~1981
189775137955037 ~1980
1897823607303378 ~1983
1897871151829698 ~1981
1897871797105838
189794337958877 ~1980
189797937959597 ~1980
189799137959837 ~1980
1898077113884638 ~1981
18981531025002639 ~1984
1898201113892078 ~1981
189824337964877 ~1980
1898279455586978 ~1983
18984311252964479 ~1984
1898539645503278 ~1983
18985391556801999
1898591341746398 ~1982
1898641113918478 ~1981
18986411822695379
189878337975677 ~1980
1898861113931678 ~1981
1899017151921378 ~1981
372
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25-06-29