LCM and HCF 3

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Tags

CCSS.4.OA.B.4

Which answer lists all the factors for 40?

• 1,2,4,5,8,12,14,40

• 1,2,3,4,5,8,10

• 1,2,4,5,8,10,20,40

• 1,2,4,5,6,7,8,9,10

Tags

CCSS.4.OA.B.4

How should you express 96 as a product of its prime factors?

• 32 x 3

• 3 x 2⁵

• 2 x 48

• 1 x 2⁵ x 3

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4

210 written as a product of its prime factors is 2x3x5x7.

• True
• False

Find the prime factor decomposition of 35 and 56.

• 3 x 5 and 2² x 7
• 3 x 5 and 2 x 2 x 2 x 7
• 3 x 5 and 2² x 2 x 7
• 5 x 7 and 2³ x 7

Find the prime factor decomposition of 32 and 104.

• 2⁵ and 2³ x 13
• 2 x 2 x 2 x 2 and 2 x 2 x 13
• 2 x 2⁴ and 2² x 13
• 2⁵ and 2² x 13

What are the next three multiples? 6, 12, 18, ___ ,___ ,___

• 24, 30, 34

• 24, 36, 42

• 24, 30, 36

• 22, 28, 34

Tags

CCSS.4.OA.B.4

CCSS.4.OA.C.5