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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
383647176729437 ~1982
383663976732797 ~1982
383666376733277 ~1982
383677176735437 ~1982
3836893230213598 ~1984
3837079383707918 ~1984
383714376742877 ~1982
383737176747437 ~1982
38374672148981539 ~1986
3837629537268078 ~1984
383786376757277 ~1982
3837871614059378 ~1985
383792376758477 ~1982
3838013230280798 ~1984
3838097230285838 ~1984
3838253230295198 ~1984
383825976765197 ~1982
383828376765677 ~1982
3838333230299998 ~1984
383839176767837 ~1982
3838433230305998 ~1984
3838433143557394310
3838561614169778 ~1985
383881176776237 ~1982
38389211842682099 ~1986
Exp. Prime Factor Digits Year
3838973230338398 ~1984
383897976779597 ~1982
3838979307118338
3839351307148098 ~1984
3839369537511678 ~1984
3839417307153378 ~1984
3839449844678798 ~1985
3839503921480738 ~1985
383951976790397 ~1982
383996376799277 ~1982
384005976801197 ~1982
384019176803837 ~1982
3840253230415198 ~1984
3840257307220578 ~1984
3840307614449138 ~1985
384050376810077 ~1982
3840541230432478 ~1984
3840953230457198 ~1984
384119976823997 ~1982
38413991306075679 ~1985
38415611536624419 ~1986
3841751307340098 ~1984
3841753614680498 ~1985
3841757230505438 ~1984
384176376835277 ~1982
Exp. Prime Factor Digits Year
384191976838397 ~1982
38420891152626719 ~1985
384218376843677 ~1982
3842231307378498 ~1984
3842281230536878 ~1984
3842669307413538 ~1984
3842687307414978 ~1984
384271176854237 ~1982
384283176856637 ~1982
384284376856877 ~1982
384290376858077 ~1982
3842957230577438 ~1984
3843031384303118 ~1984
3843347307467778 ~1984
384355176871037 ~1982
3843551307484098
384361176872237 ~1982
384374376874877 ~1982
3843773230626398 ~1984
384392376878477 ~1982
384397176879437 ~1982
3843971307517698
384401976880397 ~1982
3844021230641278 ~1984
3844067307525378 ~1984
Exp. Prime Factor Digits Year
3844067999457438
384407976881597 ~1982
3844097230645838 ~1984
3844109538175278 ~1984
3844133230647998 ~1984
3844187307534978 ~1984
384419976883997 ~1982
38443035228252099 ~1987
384433176886637 ~1982
384434376886877 ~1982
384461976892397 ~1982
3844667692040078 ~1985
38447471307213999 ~1985
384475176895037 ~1982
3845251384525118 ~1984
384527976905597 ~1982
38452871538114819 ~1986
384529176905837 ~1982
3845327307626178 ~1984
384535176907037 ~1982
3845461230727678 ~1984
3845837230750238 ~1984
384620376924077 ~1982
3846257307700578 ~1984
3846259692326638 ~1985
577
GIMPS The Prime Pages FactorDb.com
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25-04-13