lesson 9

Question 1

factors

Answer 1

numbers multiplied together to equal other numbers

Question 2

prime number

Answer 2

a number greater than 1 that can only be evenly divided by itself or 1

Question 3

prime factorization

Answer 3

dividing a number into prime factors that when multiplied together equal the original number

Question 4

prime numbers

Answer 4

Each number has its unique set of prime factors. The product of these factors is the original number. The first few prime factors are 2, 3, 5, 7,… Notice that each can be evenly divided by only 1 and itself.

Question 5

LCM and GCF

Answer 5

To find either the least common multiple (LCM) or greatest common factor (GCF) of two numbers, you start out the same way: by finding their prime factors.

Question 6

The Zero Property of Multiplication

Answer 6

The product of any number and 0 is 0.

Question 7

The Identity Property of Multiplication

Answer 7

The product of any number and 1 is the original number.

Question 8

The Additive Inverse Property

Answer 8

The sum of a number and the opposite of the number is 0.