Class 4 Maths - Factors and Multiples - CBSE Worksheets

Q1: Multiple Choice Questions (MCQs)

(i) Which of the following is NOT a factor of 20?
(a) 2
(b) 5
(c) 8
(d) 7

(ii) What is the smallest prime number?
(a) 0
(b) 1
(c) 2
(d) 3

(iii) Which of the following is a prime number?
(a) 15
(b) 21
(c) 29
(d) 35

(iv) What are the common factors of 18 and 24?
(a) 1, 2, 3, 6
(b) 2, 4, 6, 8
(c) 3, 6, 9, 12
(d) 4, 8, 12, 16

(v) Which of the following numbers is NOT a multiple of 9?
(a) 45
(b) 63
(c) 72
(d) 82

Q2: True or False

(i) 36 is a multiple of 9.

(ii) 6 is the least non-zero multiple of 6.

(iii) 1 is the multiple of 5.

Q3: Fill in the Blanks

(i) The first six multiples of 4 are ____, ____, ____, ____, ____, and ____.

(ii) A number divisible by both 3 and 5 is a multiple of ____.

(iii) The number 17 is ____ because it has only two factors.

(iv) The smallest whole number is ____.

(v) The common factors of 12 and 18 are ____, ____, and ____.

Q4: Answer the following questions

(i) Encircle the prime numbers: 14, 19, 37, 45, 61 , 69, 77, 81, 99.

(ii) Write the prime factorization of 96.

(iii) Write the smallest number which when added to an even number makes the sum an odd number.

(iv) Encircle the composite numbers : 21, 31, 39, 49, 51, 53, 63, 91, 97.

You can find Worksheets Solutions here: Worksheet Solutions: Factors and Multiples