Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime Lucas pseudoprime Perrin pseudoprime Somer–Lucas...
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Lucas pseudoprimes and Fibonacci pseudoprimes are composite integers that pass certain tests which all primes and very few composite numbers pass: in...
25 KB (3,643 words) - 07:05, 26 November 2023
composites also pass, making them "pseudoprimes". Unlike the Fermat pseudoprimes, for which there exist numbers that are pseudoprimes to all coprime bases (the...
10 KB (1,336 words) - 23:51, 6 July 2024
In number theory, a Frobenius pseudoprime is a pseudoprime, whose definition was inspired by the quadratic Frobenius test described by Jon Grantham in...
15 KB (2,203 words) - 20:00, 19 March 2024
In number theory, the Fermat pseudoprimes make up the most important class of pseudoprimes that come from Fermat's little theorem. Fermat's little theorem...
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Carmichael number (redirect from Absolute pseudoprime)
property. Carmichael numbers are also called Fermat pseudoprimes or absolute Fermat pseudoprimes. A Carmichael number will pass a Fermat primality test...
28 KB (3,570 words) - 05:21, 23 May 2024
Miller–Rabin primality test (redirect from Rabin-miller strong pseudoprime test)
which case it is called a strong pseudoprime, and a is a strong liar. Thankfully, no composite number is a strong pseudoprime to all bases at the same time...
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Perrin number (redirect from Perrin pseudoprime)
restricted Perrin pseudoprimes. There are only nine such numbers below 109. While Perrin pseudoprimes are rare, they overlap with Fermat pseudoprimes. Of the above...
23 KB (3,565 words) - 01:09, 26 June 2024
In arithmetic, an odd composite integer n is called an Euler pseudoprime to base a, if a and n are coprime, and a ( n − 1 ) / 2 ≡ ± 1 ( mod n ) {\displaystyle...
9 KB (491 words) - 20:45, 5 April 2023
In number theory, a pseudoprime is called an elliptic pseudoprime for (E, P), where E is an elliptic curve defined over the field of rational numbers...
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Euler–Jacobi pseudoprime is also a Fermat pseudoprime and an Euler pseudoprime. There are no numbers which are Euler–Jacobi pseudoprimes to all bases...
3 KB (358 words) - 22:23, 11 January 2024
particular number theory, an odd composite number N is a Somer–Lucas d-pseudoprime (with given d ≥ 1) if there exists a nondegenerate Lucas sequence U (...
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Fermat's little theorem (section Pseudoprimes)
part is false: For example, 2341 ≡ 2 (mod 341), but 341 = 11 × 31 is a pseudoprime to base 2. See below. Several proofs of Fermat's little theorem are known...
18 KB (2,385 words) - 19:56, 17 May 2024
In mathematics, a Catalan pseudoprime is an odd composite number n satisfying the congruence ( − 1 ) n − 1 2 ⋅ C n − 1 2 ≡ 2 ( mod n ) , {\displaystyle...
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If n is composite and satisfies the formula, then n is a Fibonacci pseudoprime. When m is large – say a 500-bit number – then we can calculate Fm (mod...
85 KB (12,915 words) - 20:43, 4 August 2024
Probable prime (category Pseudoprimes)
conditions. While there may be probable primes that are composite (called pseudoprimes), the condition is generally chosen in order to make such exceptions...
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Pseudoprimes Carmichael number Catalan pseudoprime Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime...
37 KB (5,024 words) - 01:19, 29 July 2024
A super-Poulet number is a Poulet number, or pseudoprime to base 2, whose every divisor d divides 2d − 2. For example, 341 is a super-Poulet number: it...
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have their own list of pseudoprimes, that is, composite numbers that pass the test. For example, the first ten strong pseudoprimes to base 2 are 2047, 3277...
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Pseudoprimes Carmichael number Catalan pseudoprime Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime...
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algorithm Fermat primality test Pseudoprime Carmichael number Euler pseudoprime Euler–Jacobi pseudoprime Fibonacci pseudoprime Probable prime Baillie–PSW primality...
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Pseudoprimes Carmichael number Catalan pseudoprime Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime...
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Fermat number (section Pseudoprimes and Fermat numbers)
Fermat number is a strong pseudoprime to base 2. This is because all strong pseudoprimes to base 2 are also Fermat pseudoprimes – i.e., 2 F n − 1 ≡ 1 (...
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certainly composite. A composite number that passes such a test is called a pseudoprime. In contrast, some other algorithms guarantee that their answer will...
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n {\displaystyle n} also have this property. These are the Fibonacci pseudoprimes. L n − L n − 4 {\displaystyle L_{n}-L_{n-4}} is congruent to 0 modulo...
14 KB (2,593 words) - 16:52, 23 November 2023
composite. In fact, 341 is the smallest pseudoprime base 2 (see Figure 1 of ). There are only 21853 pseudoprimes base 2 that are less than 2.5×1010 (see...
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Pseudoprimes Carmichael number Catalan pseudoprime Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime...
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Pseudoprimes Carmichael number Catalan pseudoprime Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime...
12 KB (1,343 words) - 23:10, 3 August 2024
Pseudoprimes Carmichael number Catalan pseudoprime Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime...
53 KB (5,902 words) - 15:45, 2 July 2024
Pseudoprimes Carmichael number Catalan pseudoprime Elliptic pseudoprime Euler pseudoprime Euler–Jacobi pseudoprime Fermat pseudoprime Frobenius pseudoprime...
13 KB (2,523 words) - 07:08, 8 March 2024