Priemgetallen - Stijn Vermeeren
Priemgetallen - Stijn Vermeeren
Priemgetallen - Stijn Vermeeren
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INHOUD<br />
VOORWOORD............................................................................................................... 2<br />
INHOUD ......................................................................................................................... 4<br />
Hoofdstuk 1: ONEINDIG VEEL PRIEMGETALLEN..................................................... 5<br />
§1 – Het ontstaan van priemgetallen....................................................................... 5<br />
§2 – Ontbinden in priemfactoren ............................................................................. 7<br />
§3 – Welke getallen zijn priem? ............................................................................... 8<br />
§4 – Hoeveel priemgetallen zijn er? ...................................................................... 11<br />
§5 – Fermat-getallen, Pepins test .......................................................................... 12<br />
§6 – Mersenne-getallen, de Lucas-Lehmer-test ................................................... 13<br />
§7 – Zoeken naar steeds grotere priemgetallen................................................... 15<br />
Hoofdstuk 2: VERRASSENDE EIGENSCHAPPEN ................................................... 17<br />
§1 – Het vermoeden van Goldbach ....................................................................... 17<br />
§2 – Illegale priemgetallen...................................................................................... 19<br />
§3 – Priemtweelingen.............................................................................................. 22<br />
§4 – <strong>Priemgetallen</strong> met een speciale vorm ........................................................... 23<br />
A: Palindroom-priemgetallen............................................................................................ 23<br />
B: Tetraëdische priemgetallen ......................................................................................... 25<br />
C: Repunit priemgetallen .................................................................................................. 26<br />
D: Circulaire priemgetallen ............................................................................................... 26<br />
E: Permutabele priemgetallen .......................................................................................... 26<br />
F: Beschrijvende priemgetallen ....................................................................................... 27<br />
G: Besluit ............................................................................................................................ 27<br />
Hoofdstuk 3: INTERESSANTE TOEPASSINGEN ..................................................... 28<br />
§1 – De cyclus van cicaden.................................................................................... 28<br />
§2 – <strong>Priemgetallen</strong> in de cryptografie ................................................................... 30<br />
A: Een korte cryptografiegeschiedenis ........................................................................... 30<br />
B: Het probleem van de sleutelverdeling ........................................................................ 31<br />
C: <strong>Priemgetallen</strong> in de cryptografie ................................................................................. 31<br />
D: Het belang van goede encryptie.................................................................................. 32<br />
BESLUIT ...................................................................................................................... 34<br />
BIJLAGEN ................................................................................................................... 35<br />
Bijlage 1: Brief van Goldbach aan Euler ............................................................... 35<br />
BRONNEN ................................................................................................................... 38<br />
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