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# Primes

Primes is a search tool for prime numbers. It allows you to search primes in different manners, and can generate primes of very big sizes (up to 200 digits or more).

For efficiency reasons, the tool will first give you lists of probable primes as search result; you can then click on the number to pass a rigorous primality test on it. (Note however that you only have one chance over billions to find a probable prime which is not prime.)

Please choose your searching mode for primes. Arithmetic expressions are accepted in all the fields below.
1. , .
2. where
= , = , et commence par , .

primes.

Useful online tools: Factoris   (available in another window of your browser)

The most recent version

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Please take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.

• Description: searching for primes in different ways. serveur web interactif avec des cours en ligne, des exercices interactifs, des calculatrices et traceurs en ligne
• Keywords: serveur interactif, enseignement, cours en ligne, ressources pédagogiques, sciences, langues, qcm,classes,exercices, algebra, arithmetic, number, primes, cryptology