Factors & Multiples Test

Which number is a factor of 10

• 3
• 4
• 5
• 8

Tags

CCSS.4.OA.B.4

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

Which number is NOT prime?

• 3
• 7
• 17
• 21

Tags

CCSS.4.OA.B.4

What is the GCF of 8 and 10?

• 1
• 3
• 4
• 2

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 20 and 30

• 2
• 5
• 10
• 15

Tags

CCSS.4.OA.B.4

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Tags

CCSS.4.OA.B.4

What is the LCM of 3 and 6? 

• 3
• 6
• 12
• 15

Tags

CCSS.4.OA.B.4

Divisibility rules are rules that can be used as a quick test to figure out if one number is divisible by another. Divisibility rules let us determine divisibility without actually calculating a quotient.

Every even number is divisible by 2

In which choice below are ALL of the numbers divisible by 2?

• 32, 72, 856, 401

• 84, 92, 850, 396

• 92, 86, 461, 982

Tags

CCSS.5.OA.B.3

Divisibility rules are rules that can be used as a quick test to figure out if one number is divisible by another. Divisibility rules let us determine divisibility without actually calculating a quotient.

If the sum of all digits in a number is divisible by 3, that number is divisible by 3.

In which choice below, are ALL of the numbers divisible by 3?

• 93, 105, 333

• 80, 93, 180

• 45, 600, 41

Tags

CCSS.5.OA.B.3

Divisibility rules are rules that can be used as a quick test to figure out if one number is divisible by another. Divisibility rules let us determine divisibility without actually calculating a quotient.

Every number that ends in 0 or 5 is divisible by 5.



In which choice below are ALL of the numbers divisible by 5?

• 625, 980, 754

• 935, 840, 295

• 450, 655, 901

Tags

CCSS.5.OA.B.3