Log in
Sign up for FREE
arrow_back
Library

[Week 14] - Prime & Composite

star
star
star
star
star
Last updated about 5 years ago
16 questions
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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.


added, subtracted, multiplied, divided

Question 4
4.

Tell whether the number is prime or composite.

19

Spelling matters.

Question 5
5.

Tell whether the number is prime or composite.

81

Spelling matters.

Question 6
6.

Tell whether the number is prime or composite.

52

Spelling matters.

Question 7
7.

Tell whether the number is prime or composite.

23

Spelling matters.

Question 8
8.

Tell whether the number is prime or composite.

33

Spelling matters.

Question 9
9.

Tell whether the number is prime or composite.

51

Spelling matters.

Question 10
10.

Make a factor chart for the number 24. Then select all the factors of 24.

Question 11
11.

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

The number 24 is a ______________ number.

Spelling matters.

Question 12
12.

What is the smallest composite number?

Question 13
13.

What is the smallest prime number that is odd?

Question 14
14.

What is the only even prime number?

Question 15
15.

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

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

Question 16
16.

How many factors does the number 8 have?