dictionary.reference.com/browse/Prime Composite

en.wikipedia.org/wiki/Prime_number

is called a prime number (or a prime) if it has exactly two ... greater than 1 that are not prime are called composite.

www.khanacademy.org/math/pre-algebra/pre-algebra-factors-multiples/pre-algebra-prime-numbers/v/recognizing-prime-numbers

Is zero even or odd? Sal said "By definition, an even number is divisible by two." Zero isn't divisible by two.. right??? I don't think it could be odd because the ...

www.mathsisfun.com/prime-composite-number.html

Prime Numbers and Composite Numbers ... Example: is 7 a Prime Number or Composite Number? ... Factors. We can also define a Prime Number using factors.

www.mathsisfun.com/definitions/composite-number.html

But 7 cannot be divided evenly (except by 1 and 7), so is NOT a composite number (it is a prime number). All whole numbers above 1 are either composite or ...

www.mathgoodies.com/lessons/vol3/prime_composite.html

Definitions. A prime number has only two factors: 1 and itself. A composite number has more than two factors. The number 1 is neither prime nor composite.

www.aaamath.com/fra63ax2.htm

An interactive math lesson about prime and composite numbers.

www.varsitytutors.com/hotmath/hotmath_help/topics/prime-composite

Definition: A prime number is a whole number with exactly two integral divisors, 1 and ... So all whole numbers (except 0 and 1 ) are either prime or composite.

faculty.wwu.edu/curgus/Courses/302_200902/Prime&Comp.pdf

Prime and composite integers. There are many ways to define prime and composite numbers. The point is to give definitions which will be clearly recognizable ...

www.coolmath.com/prealgebra/00-factors-primes/03-prime-composite-numbers-01

This prealgebra lesson introduces prime and composite numbers.