What are Factors A Factor is A Factor

What are Factors?

A Factor is….

A Factor is…. a number that can divide another number without a remainder.

A Factor is…. which numbers divide 6 without a remainder?

A Factor is…. which numbers divide 6 without a remainder? 3

A Factor is…. which numbers divide 6 without a remainder? 3 2

A Factor is…. which numbers divide 6 without a remainder? 3 1 2

A Factor is…. which numbers divide 6 without a remainder? 3 1 2 6

A Factor is…. which numbers divide 6 without a remainder? 3 1 2 FACTORS OF 6: 1, 2, 3, 6 6

A Factor is…. which numbers divide 48 without a remainder?

A Factor is…. which numbers divide 48 without a remainder? Factors of 48:

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1,

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2,

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3,

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3, 4

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3, 4, 6

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3, 4, 6, 8

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3, 4, 6, 8, 12

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16,

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24

A Factor is…. which numbers divide 48 without a remainder? Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

What are the Factors of… Let’s find factors in pairs

What are the Factors of… Let’s find factors in pairs Factors of: 18

What are the Factors of… Let’s find factors in pairs Factors of: 18 1 x 18

What are the Factors of… Let’s find factors in pairs Factors of: 18 1 x 18 2 x 9

What are the Factors of… Let’s find factors in pairs Factors of: 18 1 x 18 2 x 9 3 x 6

What are the Factors of… Let’s find factors in pairs Factors of: 18 1 x 18 2 x 9 3 x 6 Factors of 18: 1, 2, 3, 6, 9, 18

What are the Factors of… Let’s find factors in pairs Factors of: 24

What are the Factors of… Let’s find factors in pairs Factors of: 24 1 x 24

What are the Factors of… Let’s find factors in pairs Factors of: 24 1 x 24 2 x 12

What are the Factors of… Let’s find factors in pairs Factors of: 24 1 x 24 2 x 12 3 x 8

What are the Factors of… Let’s find factors in pairs Factors of: 24 1 x 24 2 x 12 3 x 8 4 x 6

What are the Factors of… Let’s find factors in pairs Factors of: 24 1 x 24 2 x 12 3 x 8 4 x 6 Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

What are the Factors of… Let’s find factors in pairs Factors of: 20

What are the Factors of… Let’s find factors in pairs Factors of: 20 1 x 20

What are the Factors of… Let’s find factors in pairs Factors of: 20 1 x 20 2 x 10

What are the Factors of… Let’s find factors in pairs Factors of: 20 1 x 20 2 x 10 4 x 5

Now it’s Your Turn On Your Paper, find the factors of : 16

Now On Your Paper On your paper, find the factors of : 16 1 x 16 2 x 8 4 x 4 Factors of 16: 1, 2, 4, 8, 16

Now On Your Paper Find the factors of: 30 and 36

Now On Your Paper Find the factors of: 30 and 1 x 30 36

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 36

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 3 x 10 36

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 3 x 10 5 x 6 36

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 3 x 10 5 x 6 36 1 x 36

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 3 x 10 5 x 6 36 1 x 36 2 x 18

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 3 x 10 5 x 6 36 1 x 36 2 x 18 3 x 36

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 3 x 10 5 x 6 36 1 x 36 2 x 18 3 x 36 4 x 9

Now On Your Paper Find the factors of: 30 and 1 x 30 2 x 15 3 x 10 5 x 6 36 1 x 36 2 x 18 3 x 36 4 x 9 6 x 6

What is GCF?

GCF is….

GCF is…. “Greatest Common Factor”

GCF is…. “Greatest Common Factor” The largest factor that two numbers have in common.

GCF is…. Hmmm… Why don’t we go back to the factors of 30 and 36…

GCF is…. Hmmm… Why don’t we go back to the factors of 30 and 36… What do you think is the Greatest Common Factor of those two numbers?

GCF is…. Hmmm… Why don’t we go back to the factors of 30 and 36… What do you think is the Greatest Common Factor of those two numbers? Think……. (WITHOUT looking)

GCF What is the GCF of 30 & 36? 30 and 36 1 x 30 1 x 36 2 x 15 2 x 18 3 x 10 3 x 36 5 x 6 4 x 9 6 x 6

GCF What is the GCF of 30 & 36? 30 and 36 1 x 30 2 x 15 is 3 x 10 5 x 6 3? it 1 x 36 2 x 18 3 x 36 4 x 9

GCF What is the GCF of 30 & 36? 30 and 36 1 x 30 how 1 x 36 2 x 15 about 2 x 18 3 x 10 6? 3 x 36 5 x 6 4 x 9 6 x 6

Now On Your Paper Find the GCF of: 15 and 25

Now on Your Paper What is the GCF of 30 & 36? 15 and 25 1 x 15 1 x 25 3 x 5 5 x 5

Now on Your Paper What is the GCF of 30 & 36? 15 and 25 1 x 15 1 x 25 3 x 5 5 x 5 The GCF of 15 and 25 is….

Now On Your Paper What is the GCF of 30 & 36? 15 and 25 1 x 15 1 x 25 3 x 5 5 x 5 The GCF of 15 and 25 is…. 5

Now On Your Paper Find the GCFs of the following: 1. 18 and 12 2. 30 and 36 3. 9 and 27

Now On Your Paper Find the GCFs of the following: 1. 18 and 12 GCF is 6 18: 1, 2, 3, 6, 9, 18 12: 1, 2, 3, 4, 6, 12 2. 30 and 36 3. 9 and 27

Now On Your Paper Find the GCFs of the following: 1. 18 and 12 GCF is 6 18: 1, 2, 3, 6, 9, 18 12: 1, 2, 3, 4, 6, 12 2. 30 and 36 GCF is 6 30: 1, 2, 3, 5, 6, 10, 15, 30 36: 1, 2, 3, 4, 6, 9, 12, 18, 36 3. 9 and 27

Now On Your Paper Find the GCFs of the following: 1. 18 and 12 GCF is 6 18: 1, 2, 3, 6, 9, 18 12: 1, 2, 3, 4, 6, 12 2. 30 and 36 GCF is 6 30: 1, 2, 3, 5, 6, 10, 15, 30 36: 1, 2, 3, 4, 6, 9, 12, 18, 36 3. 9 and 27 GCF is 9 9: 1, 3, 9