
A whole number and a fraction together. 4^{1}/_{2}
Mixed Numbers

A counting number greater than 1 whose only two factors are the number 1 and itself.
prime numbers
 7 is a prime number. Its only factors are 1 and 7.
 10 is not a prime number. Its factors are 1, 2, 5, and 10

The largest whole number that is a factor of 2 or more given numbers.
 Greatest Common FactorGCF
 The factors of 12 are 1, 2, 3, 4, 6, and 12.
 The factors of 18 are 1, 2, 3, 6, 9, and 18.
 The greatest common factor of 12 and 18 is 6.

A fraction with a numerator equal to or greater than the denominator
 Improper Fractions
 ^{6}/_{3 }or ^{7}/_{7}

