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L#4 Factors

The document is a half-yearly revision worksheet for Class V Mathematics focusing on the topic of factors. It includes fill-in-the-blank questions, true or false statements, multiple-choice questions, and problem-solving exercises related to prime factorization and highest common factors (HCF). The worksheet aims to reinforce students' understanding of factors, prime numbers, and divisibility rules.

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Mateen Khan
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40 views2 pages

L#4 Factors

The document is a half-yearly revision worksheet for Class V Mathematics focusing on the topic of factors. It includes fill-in-the-blank questions, true or false statements, multiple-choice questions, and problem-solving exercises related to prime factorization and highest common factors (HCF). The worksheet aims to reinforce students' understanding of factors, prime numbers, and divisibility rules.

Uploaded by

Mateen Khan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Half yearly Revision worksheet 2024-25

Class V Mathema cs
Lesson # 4 Factors

I. Fill in the blanks.

1) Every number is a factor of __________.


2) Numbers that are multiplied to get a product are called its ___________
3) Every number other than 1 has at least _____ factors
4) ____ has only 1 factor.
5) Prime numbers have only ____ factors.
6) 1 is neither _________ nor ____________.
7) _____ is the smallest composite number.
8) When the factors of a number are all prime it is called ______________
of the number.
9) ______________ numbers have more than 2 factors.
10) A number is divisible by ____ if the number is divisible by both 2 and 3.
11) A number is divisible by 9, if the ____ of the digits is divisible by 9.
12) A number is divisible by 4, if the last ____ digits are divisible by 4 or
ends with ____
13) The _______ of two numbers is the greatest number that divides both the
numbers without leaving any remainder.
14) Every factor of a number is ___________ than or equal to the number.
15) HCF is ______ when there are no common prime factors.

II. Write True or False.

1) All the prime numbers are odd ________


2) 3 is a factor of 51 ______
3) HCF of 8 and 9 is 1 ______
4) Composite numbers have 2 factors ______
5) Prime factorization of 12 is 3x4 _______
III. Choose the correct answer.

1) The prime factors of 48 is _____________________


a. 2 x 2 x 2 x 2 x 3 b. 2 x 2 x 2 x 3 c. 2 x 2 x 2 x 3 x 3 d. 2 x 2 x 2 x 2
x3x3
2) 30 is a factor of _____
a. 3 b. 30 c. 15 d. 1
3) Which of the following is a prime number?
a. 21 b. 31 4. 51 d. 81
4) The smallest odd composite number is
a. 4 b. 7 c. 3 d. 9
5) ____ is the common factor of 4 and 7
a. 0 b. 1 c. 4 d. 7
6) 621 is divisible by
a. 3 b. 4 c. 5 d. 6
7) Which of these numbers are not divisible by 4?
a. 2024 b. 2400 c. 4084 d. 4042

8) 6 is a factor of ______
a. 732 b. 237 c. 327 d. None of these
9) ______________ numbers have only 2 factors
a. odd b. even c. prime d. composite
10) ______ is neither prime nor composite
a. 0 b. 1 c. 2 d. None of these
IV. Solve
1) Find the prime factorization of these numbers
a. 35 b. 64 c. 81 d. 90
2) Find the HCF of the given numbers using prime factorization
a. 35, 90 b. 40, 50 c. 55, 24 d. 28 and 49
3) Find the common factors and mark HCF
a. 16, 20 b. 36, 25 c. 45, 27 d. 12, 72

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