Least Common Multiples

What is the least common multiple of 6 and 15 ?

• 30

• 60

• 21

• 90

Tags

CCSS.4.OA.B.4

What is the least common multiple of 2 and 7?

• 15

• 26

• 14

• 10

Tags

CCSS.4.OA.B.4

What is the least common multiple of 5, 6, and 10?

• 10

• 13

• 21

• 30

Tags

CCSS.4.OA.B.4

Which list of numbers contains only common multiples of 2 and 7?

• 14, 28, 35, 42

• 14, 28, 42, 70

• 7, 14, 28, 42

• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

Which list of numbers contains only common multiples of 5 and 10?

• 5, 10, 15, 20, 25

• 10, 20, 25, 30, 35

• 5, 10, 20, 30, 40

• 10, 20, 30, 40, 50

Tags

CCSS.4.OA.B.4

Bryan began filling in the multiples of 3 and 9 in the venn diagram. What is the smallest number that can be appropriately placed in the middle of the diagram?

• 18

• 9

• 27

• 3