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[Week 12] - Prime & Composite

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Last updated almost 4 years ago
21 questions
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Watch the video lesson. Then complete the assignment.


Question 1
1.
A prime number is a number with exactly _______ factors.
Question 2
2.
A composite number is a number with more than _______ factors.
Question 3
3.
Factors are numbers that are __________ together.
Question 4
4.
Tell whether the number is prime or composite.

19 is a _______ number.

Type prime or composite.
Question 5
5.
Tell whether the number is prime or composite.

81 is a _______ number.

Type prime or composite.
Question 6
6.
Tell whether the number is prime or composite.

52 is a _______ number.

Type prime or composite.
Question 7
7.

Drag each number to either prime or composite.

  • 27
  • 33
  • 19
  • 43
  • 51
  • 23
  • Prime
  • Composite
Question 8
8.

Drag each number to either prime or composite.

  • 2
  • 63
  • 4
  • 28
  • 17
  • 11
  • 9
  • Prime
  • Composite
Question 9
9.

Make a factor chart for the number 12. Then select all the factors of 12.

Question 10
10.

Use question 7 to determine if 24 is prime or composite.

The number 24 is a ______________ number.

Spelling matters.

Question 11
11.

What is the smallest composite number?

Question 12
12.

What is the smallest prime number that is odd?

Question 13
13.

What is the only even prime number?

Question 14
14.

Select all the composite numbers from the list below. Use your divisibility rules.

7, 21, 37, 44, 51, 63, 81, 82

Question 15
15.

How many factors does the number 8 have?

Question 16
16.

Select all the numbers below that 24 is divisible by.

Use the divisibility rules sheet.

Question 17
17.

Select all the numbers below that 30 is divisible by.

Use the divisibility rules sheet.

Question 18
18.

Select all the numbers below that 63 is divisible by.

Use the divisibility rules sheet.

Question 19
19.

Select all the numbers below that 108 is divisible by.

Use the divisibility rules sheet.

Question 20
20.

Select all the numbers below that 180 is divisible by.

Use the divisibility rules sheet.

Question 21
21.

Select all the numbers below that 51 is divisible by.

Use the divisibility rules sheet.