2. One is Special! Click to Play

3. Primes, Factors, & Multiples Factor a whole number that divides into another whole number without remainder Product the result of a multiplication sentence Prime Number factors of 3 are 1 and 3 a number with exactly two factors Composite Number factors of 4 are 1, 2, and 4 a number with three or more factors 1 There is only one factor of 1! a very special number

4. Primes, Factors, & Multiples Prime factorization a composite number expressed as a product of its prime factors Exponential form 32 = 2 5 the use of exponents in a prime factorization Expanded form 32 = 2 · 2 · 2 · 2 · 2 prime factorization with no exponents Factor trees a method of finding prime factorization

5. Primes, Factors, & Multiples Relatively prime two numbers which have no common factors except 1 GCF Greatest Common Factor greatest common factor of two or more numbers LCM Least Common Multiple least common multiple of two or more numbers