Glossary

This page is an index to the main mathematical terms and phrases used throughout the Wiki.

Composite number - An integer that is not prime.
Exponent - In [math]\displaystyle{ 3^5 }[/math], 5 is the exponent.
Factor - A divisor, see division.
Factorization - Finding the factors of an integer.
Fast Fourier transform - An algorithm that permits real-time signal spectrum analysis.
Fermat number - Numbers of the form [math]\displaystyle{ 2^{2^n} + 1 }[/math].
Generalized Fermat number - There are different kinds of such numbers.
Lucas-Lehmer test - A test used to prove primality of mersenne numbers.
Mersenne prime - Primes of the type [math]\displaystyle{ 2^n-1 }[/math] (implying n is also prime).
Pépin's test - A test used to prove primality of Fermat numbers.
Perfect number - An integer that is equal to the sum of its divisors, excluding itself.
Prime number - Numbers only divisible by 1 and the number itself.

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