2. 1-2 Prime Factors
factor
•when two or more numbers are multiplied
•each number is a factor
1x7=7 1 x 6 = 6, 2 x 3 = 6
factors of 7 factors of 6
prime number
•whole number
•exactly two factors
•1 and itself
1x7=7
prime number
3. 1-2 Prime Factors
composite
•a number greater than 1
•more than two factors
1 x 6 = 6, 2 x 3 = 6
factors of 6
* 0 and 1 are neither prime nor composite
•1 has only one factor
•0 has an infinite number of factors
4. 1-2 Prime Factors
prime factorization
•an expression of a product
•with prime numbers
36 product
3 x 12
3 x3x4
3 x3x2x2 prime factors of 36