# Euler pseudoprime/Related Articles

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- Carmichael number [r]: A composite number
*c*such that*a*^{c−1}≡ 1 (mod*c*) for all*a*that are coprime with*c*.^{[e]} - Fermat pseudoprime [r]: A composite number
*q*such that*a*^{q − 1}≡ 1 (mod*q*) for any*a*that is coprime with*q*and*a*is between 2 and*q-2*^{[e]} - Leonhard Euler [r]: (1707 - 1783) Swiss mathematician and physicist; one of the greatest mathematicians of all time.
^{[e]} - Pseudoprime [r]: Probable prime (an integer which shares a property common to all prime numbers) which is not actually prime.
^{[e]} - Strong pseudoprime [r]: A composite number that passes a pseudoprimality test.
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