Prime and Composite Numbers

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

basics

Subtopic

basics under Prime and Composite Numbers for Grade 4 CBSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is the smallest odd composite number?$
A. $1$
B. $3$
C. $9$
D. $15$
2.
$Which of these numbers is a prime number?$
A. $12$
B. $14$
C. $16$
D. $17$
3.
$49$
A. $Yes$
B. $7$
C. $No, it is even$
D. $Yes, it only has two factors$
4.
$Which list contains only the first four prime numbers?$
A. $1, 2, 3, 5$
B. $2, 3, 5, 7$
C. $3, 5, 7, 9$
D. $2, 4, 6, 8$
5.
$Identify the number which is neither prime nor composite.$
A. $0$
B. $2$
C. $1$
D. $4$
6.
$Which of these numbers is composite because it is the square of a prime number?$
A. $2$
B. $3$
C. $4$
D. $5$
7.
$30$
A. $23$
B. $29$
C. $31$
D. $37$
8.
$What is the sum of the first two composite numbers?$
A. $8$
B. $10$
C. $12$
D. $14$
9.
$What type of number has more than two factors?$
A. $Prime$
B. $Composite$
C. $Odd$
D. $Even$
10.
$24$
A. $25$
B. $26$
C. $27$
D. $None$

Download the worksheet for Prime and Composite Numbers - basics to practice offline. It includes additional chapter-level practice questions.

Prime and Composite Numbers Class 4 Worksheet with Answers