Difference between revisions of "Carmichael number"
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==Carmichael numbers== | ==Carmichael numbers== | ||
| − | A [[Carmichael number]] is a [[composite number]] | + | A [[Carmichael number]] is a [[composite number]] that satisfies [[Fermat's Little Theorem]], <math>a^p \equiv a \pmod{p}.</math>or <math>a^{p - 1} \equiv 1 \pmod{p}.</math> In this case, <math>p</math> is the Carmichael number. |
| − | The first <math>7</math> are: | + | The first <math>7</math> Carmichael numbers are: |
<cmath>\begin{align} | <cmath>\begin{align} | ||
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* [[Fermat's Little Theorem]] | * [[Fermat's Little Theorem]] | ||
* [[Carmichael function]] | * [[Carmichael function]] | ||
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~ [[User:Enderramsby|enderramsby]] | ~ [[User:Enderramsby|enderramsby]] | ||
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{{stub}} | {{stub}} | ||
| − | [[Category:Number | + | [[Category:Number theory]] |
Latest revision as of 14:52, 3 August 2022
Carmichael numbers
A Carmichael number is a composite number that satisfies Fermat's Little Theorem, 
or 
In this case, 
is the Carmichael number.
The first 
Carmichael numbers are:
See Also
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