GCF, Prime and Composite Numbers, Prime Factorization

The largest factor shared by two or more numbers.

• Greatest common factor (GCF)

• Common Factors

• Prime

• Composite

A whole number greater than 1 that cannot be made by multiplying other whole numbers.

• Greatest common factor (GCF)

• Prime Factorization

• Prime Number

• Composite Number

Finding which prime numbers multiply together to make the original number

• Greatest common factor (GCF)

• Prime Factorization

• Prime Number

• Composite Number

Can be written as the product of prime factors.

• Greatest common factor (GCF)

• Prime Factorization

• Prime Number

• Composite Number

0 and 1 are prime numbers.

• True

• False

0 and 1 are composite numbers.

• True

• False

I can include 1 on a factor tree to help us find the factors of the composite number.

• True

• False

Select the prime numbers:

• 0, 1

• 5, 19, 23

• 13

• 8, 21, 25

• 49

Select the composite numbers:

• 0, 1

• 7, 11, 17

• 23

• 10, 27, 39

• 9

What are the factors of 6

• 1

• 3

• 6

• 2

• 12