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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.
Exponent Prime Factor Digits Year
17975183359503678 ~1988
179759332516630639 ~1990
17976011359520238 ~1988
17976083359521678 ~1988
17976239359524798 ~1988
179766011078596079 ~1989
17976779359535598 ~1988
179770332876325299 ~1990
179774471797744719 ~1989
17977703359554078 ~1988
17977871359557438 ~1988
179778711438229699
17978699359573998 ~1988
179787473236174479 ~1990
17978771359575438 ~1988
17979119359582398 ~1988
17979551359591038 ~1988
17980379359607598 ~1988
17980463359609278 ~1988
17980799359615998 ~1988
179808771438470179 ~1989
17981063359621278 ~1988
179812611438500899 ~1989
17981279359625598 ~1988
17981651359633038 ~1988
Exponent Prime Factor Digits Year
17981819359636398 ~1988
17982011359640238 ~1988
17982119359642398 ~1988
17983391359667838 ~1988
179841292517778079 ~1990
17984159359683198 ~1988
17984303359686078 ~1988
17984783359695678 ~1988
17985059359701198 ~1988
17986211359724238 ~1988
17986439359728798 ~1988
179865372877845939 ~1990
179866791438934339 ~1989
179868312877892979 ~1990
179869671438957379 ~1989
17987159359743198 ~1988
17988083359761678 ~1988
179887571079325439 ~1989
179889771079338639 ~1989
17989271359785438 ~1988
179893731079362399 ~1989
17990363359807278 ~1988
17990579359811598 ~1988
179906531079439199 ~1989
17990723359814478 ~1988
Exponent Prime Factor Digits Year
17990783359815678 ~1988
179910193238383439 ~1990
17991131359822638 ~1988
179913531079481199 ~1989
17991503359830078 ~1988
17991959359839198 ~1988
179921471799214719 ~1989
17992379359847598 ~1988
17993663359873278 ~1988
17994923359898478 ~1988
17995151359903038 ~1988
179955171439641379 ~1989
17995559359911198 ~1988
17995583359911678 ~1988
17995751359915038 ~1988
17995849129570112910 ~1991
17996351359927038 ~1988
179964311799643119 ~1989
17997131359942638 ~1988
17997191359943838 ~1988
17997839359956798 ~1988
17998499359969998 ~1988
17998691359973838 ~1988
179987771079926639 ~1989
179988731079932399 ~1989
Exponent Prime Factor Digits Year
179989011439912099 ~1989
17998919359978398 ~1988
179989195759654099
17999231359984638 ~1988
17999291359985838 ~1988
180001371440010979 ~1989
180001374320032899
180003971080023839 ~1989
18000539360010798 ~1988
18000683360013678 ~1988
18000803360016078 ~1988
18001031360020638 ~1988
180016931080101599 ~1989
18001859360037198 ~1988
18001871129613471310 ~1991
18002051360041038 ~1988
180021411080128479 ~1989
180021411440171299
180026411080158479 ~1989
180026511440212099 ~1989
18002843360056878 ~1988
180029234320701539 ~1990
18003299360065998 ~1988
18003371360067438 ~1988
18004463360089278 ~1988
1343
GIMPS The Prime Pages FactorDb.com
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25-04-13