Finding GCF and LCM: Key Concepts and Examples

What do GCF and LCM stand for?

• Greatest Common Factor and Least Common Multiple

• Greatest Common Fraction and Least Common Multiple

• Greatest Common Factor and Least Common Mean

• Greatest Common Fraction and Least Common Mean

Tags

CCSS.6.NS.B.4

Which of the following is the largest factor that two numbers share?

• Greatest Common Multiple

• Greatest Common Factor

• Least Common Factor

• Least Common Multiple

Tags

CCSS.4.OA.B.4

What are the factors of 16?

• 1, 2, 4, 6, 16

• 1, 2, 3, 8, 16

• 1, 3, 4, 8, 16

• 1, 2, 4, 8, 16

What is the Greatest Common Factor (GCF) of 16 and 24?

• 8

• 6

• 12

• 4

Tags

CCSS.6.NS.B.4

What is the Greatest Common Factor (GCF) of 15 and 35?

• 15

• 7

• 3

• 5

Tags

CCSS.6.NS.B.4

What is a multiple?

• A number that is the result of adding two numbers

• A number that is the result of subtracting two numbers

• A number that divides another number evenly

• A number that is the result of multiplying a given number by an integer

Tags

CCSS.6.NS.B.4

What is the Least Common Multiple (LCM) of 9 and 12?

• 48

• 36

• 24

• 18

Tags

CCSS.6.NS.B.4

What is the Least Common Multiple (LCM) of 10 and 25?

• 20

• 30

• 40

• 50

Tags

CCSS.6.NS.B.4

How can you think of multiples in a simpler way?

• As the result of subtraction

• As skip counting

• As the result of addition

• As the result of division

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

CCSS.3.OA.D.9

What is the first multiple of 25?

• 30

• 10

• 20

• 25