 # Is it Prime or Composite? (3)

In this worksheet, students decide whether or not a given number is prime or composite. Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Special Numbers

Difficulty level:   ### QUESTION 1 of 10

A PRIME number is one that only has two factors, itself and 1.

A COMPOSITE number is one that has more than two factors.

PRIME numbers include 2, 3, 5, 7, 11, 13, 17 etc.....

COMPOSITE numbers include 4, 6, 8, 9, 10, 12, 14, 15 etc....

Is the following number prime or composite?

95

Composite

Prime

Is the following number prime or composite?

91

Composite

Prime

Is the following number prime or composite?

97

Composite

Prime

Is the following number prime or composite?

117

Composite

Prime

Is the following number prime or composite?

119

Composite

Prime

Is the following number prime or composite?

127

Composite

Prime

Is the following number prime or composite?

131

Composite

Prime

Is the following number prime or composite?

141

Composite

Prime

Is the following number prime or composite?

233

Composite

Prime

Is the following number prime or composite?

231

Composite

Prime

• Question 1

Is the following number prime or composite?

95

Composite
• Question 2

Is the following number prime or composite?

91

Composite
• Question 3

Is the following number prime or composite?

97

Prime
• Question 4

Is the following number prime or composite?

117

Composite
• Question 5

Is the following number prime or composite?

119

Composite
• Question 6

Is the following number prime or composite?

127

Prime
• Question 7

Is the following number prime or composite?

131

Prime
• Question 8

Is the following number prime or composite?

141

Composite
• Question 9

Is the following number prime or composite?

233

Prime
• Question 10

Is the following number prime or composite?

231

Composite
---- OR ----

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