Factors and Multiples Review

How many prime numbers are there from 10 - 30?

• 4

• 5

• 6

• 7

What number is represented by the prime factorization: 2³ x 3² x 7 ?

• 252

• 336

• 378

• 504

Tags

CCSS.6.EE.A.1

What is the greatest common factor of 96a²b and 40a⁴b³ ?

• 8a⁴b³

• 8a²b

• 14a²b

• 4a²b

Tags

CCSS.7.EE.A.1

What is the least common multiple of 15, 24, and 30?

• 60

• 120

• 240

• 360

Tags

CCSS.6.NS.B.4

All of the following are proper factors of 440 except:

• 11

• 18

• 44

• 55

Tags

CCSS.6.NS.B.4

What is the GCF of 72, 180, and 540?

• 36

• 4

• 18

• 72

Tags

CCSS.6.NS.B.4

What is the prime factorization of 800?

• 2⁵ x 5²

• 20 x 40

• 2³ x 3 x 5

• 2⁴ x 3² x 5

Tags

CCSS.6.EE.A.1

Which of the following numbers has an even number of factors?

• 100

• 225

• 999

• 625

John takes a vitamin every 40 minutes, Steve takes a vitamin every 30 minutes, and Joe takes a vitamin every 25 minutes. If they all took one at 12:00 pm, at what time will they all take one again at the same time?

• 8 pm

• 9 pm

• 10 pm

• 12 am

Tags

CCSS.6.NS.B.4

How many factors does 240 have?

• 6

• 10

• 16

• 20

Tags

CCSS.6.NS.B.4