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Grade 4 - Mathematics
3.12 Factors and Multiples

Factors of a Number:
  • A factor of a number N is a number which divides N exactly.
  • Example: the factors of 12 are 1,2,3,4,6,and 12
  • Note that every number has itself and 1 as its factors.
  • When a number is greater than 1 and has just itself and 1 as factors, the numbe is prime.
Multiples of a Number:
  • A number which is the product of a given number and another factor.
  • Example: 12 is a multiple of each of the numbers 1,2,3,4, and 6
Example:
5 x 6 = 30
The numbers that are multiplied 5 and 6 are called factors.
The product formed by multiplying the factors that is 30 is called multiple.
30 is a multiple of 6 and 5

Example: Which number is a factor of 16?
_ 8
_ 5
_ 9
Answer: 8


Directions: Answer the following questions. Also write at least 10 examples of factors and multiples of your own.
Q 1: Which number is a factor of 14?
3
4
7

Q 2: Which number is a factor of 20?
8
3
4

Q 3: Which two numbers are factors of 44?
11 & 3
5 & 7
4 & 11

Q 4: Which number is a multiple of 12?
36
34
42

Q 5: Which number is a multiple of 8?
28
18
48

Q 6: Which number is a factor of 9?
2
3
4

Q 7: Which two numbers are factors of 24?
4 & 6
6 & 5
7 & 6

Q 8: Which number is a multiple of 6?
32
24
45

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Question 10: This question is available to subscribers only!


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