Factors and Multiples.

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Presentation transcript:

Factors and Multiples

Factoring Is 6 a factor of 28? How about 24?

Factors of 84 1 x 84 2 x 42 3 x 28 4 x 21 6 x 14 7 x 12 Why no 5’s? Why did the list stop at 7?

Common Factors Find the factors of 18 and 24 18: 1 2 3 6 9 18 24: 1 2 3 4 6 8 12 24

Challenge Is 6 a common factor of 54 and 132?

Multiples of 5 Multiples 1 x 5 = 5 2 x 5 = 10 3 x 5 = 15 4 x 5 = 20

Least Common Multiple LCM What are the multiples of 3 and 7 3: 3 6 9 12 15 18 21 24 27 30 7: 7 14 21 28 35 42 49 56 63 70

Enter answers on Edmodo HW Ex 4 (pg. 12-13) Enter answers on Edmodo

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