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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
7417757593420578 ~1986
74178293560557939 ~1988
7418459148369198 ~1985
74184972225549119 ~1988
7418501445110078 ~1986
7418737445124238 ~1986
7419143148382878 ~1985
7419337445160238 ~1986
7419913445194798 ~1986
7420043148400878 ~1985
7420243742024318 ~1986
7420339742033918 ~1986
7420397445223838 ~1986
74205195342773699 ~1988
7420643148412878 ~1985
7420943148418878 ~1985
74211432523188639 ~1988
7421237445274238 ~1986
7421363148427278 ~1985
7421437445286238 ~1986
7421681593734498 ~1986
7421759148435198 ~1985
7421831148436638 ~1985
7421849593747938 ~1986
74220013414120479 ~1988
Exp. Prime Factor Digits Year
7422011148440238 ~1985
74220171039082399 ~1987
74220171781284099
7422301445338078 ~1986
74223011187568179
7422497593799778 ~1986
7422743148454878 ~1985
7422839148456798 ~1985
74230791336154239 ~1987
7423153445389198 ~1986
74233271187732339 ~1987
74236071930137839 ~1987
7423631148472638 ~1985
7423919148478398 ~1985
74244011508638283311 ~1992
74245332227359919 ~1988
7424581445474878 ~1986
7424663148493278 ~1985
7424719742471918 ~1986
7424797445487838 ~1986
74248972821460879 ~1988
7425329594026338 ~1986
7425443148508878 ~1985
7425547742554718 ~1986
7425611148512238 ~1985
Exp. Prime Factor Digits Year
7425611594048898
7425667742566718 ~1986
74259113118882639 ~1988
7426031148520638 ~1985
7426091148521838 ~1985
7426151148523038 ~1985
7426253445575198 ~1986
7426747742674718 ~1986
7426817445609038 ~1986
7426823148536478 ~1985
7426877445612638 ~1986
7426931148538638 ~1985
74270092228102719 ~1988
7427159148543198 ~1985
7427663148553278 ~1985
74277011188432179 ~1987
7427731742773118 ~1986
7427789594223138 ~1986
7427891148557838 ~1985
74280174011129199 ~1988
7428119148562398 ~1985
7428203148564078 ~1985
7428341445700478 ~1986
7428383148567678 ~1985
74283891039974479 ~1987
Exp. Prime Factor Digits Year
7428539148570798 ~1985
7428713445722798 ~1986
7429091148581838 ~1985
7429111742911118 ~1986
7429463148589278 ~1985
7429607594368578 ~1986
7429679148593598 ~1985
7429757445785438 ~1986
74298832377562579 ~1988
7430051148601038 ~1985
7430117445807038 ~1986
7430459148609198 ~1985
7430651148613038 ~1985
7430711148614238 ~1985
7430711594456898
74307771040308799 ~1987
7430939148618798 ~1985
7430987594478978 ~1986
74310971188975539 ~1987
7431419148628398 ~1985
7431491148629838 ~1985
7431503148630078 ~1985
7431719148634398 ~1985
7431959594556738 ~1986
7432037594562978 ~1986
858
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25-05-04