# Worksheet: Factors and Multiples Notes | Study Mathematics for Class 4 - Class 4

## Class 4: Worksheet: Factors and Multiples Notes | Study Mathematics for Class 4 - Class 4

The document Worksheet: Factors and Multiples Notes | Study Mathematics for Class 4 - Class 4 is a part of the Class 4 Course Mathematics for Class 4.
All you need of Class 4 at this link: Class 4

Question 1: Tick (J') the true statement and cross (X) the false statement. The first is done for you:

• 36 is a multiple of 9.
• 6 is the least non-zero multiple of 6.
• 1 is the multiple of 5.

Question 2: Answer the following questions:

• Is 144 a multiple of 16?
• Is 220 a multiple of 25?
• Find the fourth multiple of 15.

Question 3: Write the next four multiples:

• 9, 18, 27, ______, ______, ______, ______.
• 11, 22, 33,  ______, ______, ______, ______.
• 25, 50, 75,  ______, ______, ______, ______.

Question 4: Fill in the blanks :

• 12 x 8 = 96 means 96 is a multiple of ______and ______.
• 15 x 18 = 270 means 270 is a multiple of ______ and ______.
• 15 x 16 = 240 means ______ is a multiple of 15 and 16?

Question 5: Write down all the prime numbers between 25 and 50.

Question 6: Encircle the composite numbers : 21, 31, 39, 49, 51, 53, 63, 91, 97.

Question 7: Write the smallest number which when added to an even number makes the sum an odd number.

Question 8: Write the prime factorization of 96.

Question 9: Find the H.C.F. of:

• 15 and 35
• 16, 48 and 80
• 30, 75 and 90

Question 10: 15 x 8 = 120. Here 15 and 8 are ______ of 120 and 120 is a ______ of 15 and 8.

Question 11: The smallest multiple of a number is ______.

Question 12: Which number has exactly 1 factor ______.

Question 13: Encircle the prime numbers : 14, 19, 37, 45, 61 , 69, 77, 81, 99.

Question 14: Using the tests of divisibility, check whether the following numbers are divisible by:

• 2 : 7,854; 2,065; 18,976; 65, 180; 5,90,007
• 3 : 7,962; 5,836; 17,094; 26,236; 1,79,622
• 4 : 8,534; 7,008; 51,936; 18,547; 2,56,068
• 5 : 8,325; 64,058; 29,840; 53,263; 8,74,265
• 9 : 5,886; 53,883; 58,978; 6,28,527; 5,93,470
• 10 : 25,301 ; 63,980; 25,000; 4,32, 705; 1,83,040

Question 15: Answer the following questions:

• Find the smallest and the largest factor of 120.
• Is 25 a factor of 8100?
The document Worksheet: Factors and Multiples Notes | Study Mathematics for Class 4 - Class 4 is a part of the Class 4 Course Mathematics for Class 4.
All you need of Class 4 at this link: Class 4
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