Review - prime/composite/GCF/LCM

Front

Is 0 a prime or composite number or neither?

Back

Neither

Front

What is a prime number?

Back

A whole number greater than 1 that has exactly 2 factors, 1 and itself.

Front

What is the prime factorization of 48? - make a factor tree.

Back

2 x 2 x 2 x 2 x 3

Front

Is 15 a prime or composite number or neither?

Back

Composite

Front

What is a factor?

Back

A number that divides evenly into another number.

Front

What is a composite number?

Back

A whole number greater than 1 that has more than two factors.

Front

What is the greatest common factor (GCF)?

Back

The largest positive integer that divides all the numbers in a set without leaving a remainder.

Front

What is the least common multiple (LCM)?

Back

The smallest positive integer that is a multiple of all the numbers in a set.

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple they have in common.