Introduction of Writing Number 8:

The number 8 which is a numeral form can be writing by alpha form as nine. The place of value in number 8 is ones. This writing number 8 comes under the whole number, natural number and integer form. The writing number 8 is not a prime number. Let see the example problems using about the writing number 8.

 

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Example Problem – Writing Number 8:

 

Example 1:

Addition using writing Number 8:

Add the following numbers to 8.

a)     3

b)    4

c)     13

d)    8

e)    9

Solution:

a)  Add the number 3 and 9

3 + 8 = 11

b)  Add the number 4 and 8.

4 + 8 = 12

c)  Add the number 13 and 9.

13 + 8 = 21

d)  Add the number 8 and 8.

8 + 8 = 16

e)  Add the number 9 and 8.

9 + 8 = 17

Example 2:

Multiplication using writing Number 8:

Multiply the following numbers to 8.

a)     3

b)    6

c)     9

d)    13

e)    10

Solution:

a)  Multiply 3 and 8

3 × 8 = 24

b)  Multiply 6 and 8.

6 × 8 = 48

c)  Multiply 9 and 8.

9 × 8 = 72

d)  Multiply 13 and 8.

13 × 8 = 104

e)  Multiply 10 and 8.

10 × 8 = 80

 

Example Problem – Writing Number 8:

 

Example 3:

Division using writing Number 8:

Divide the following numbers by 8.

a)     40

b)    32

c)     48

d)    64

Solution:

a)  Divide 40 by 8.

40 ÷ 8 = 5

b)  Divide 32 by 8.

32 ÷ 8 = 4

c)  Divide 48 by 8.

48 ÷ 8 = 6

d)  Divide 64 by 8.

64 ÷ 8 = 8

 

 

Example 4:

What is the Prime factor of writing number 8?

Solution:

Step 1: Let start with least prime number 2.

Step 2: Divide 8 by 2. We get 4

8 ÷ 2 = 4

Step 3: 4 is not a prime number. So have factors again.

Step 4: Divide 4 by 2, we get 2

4 ÷ 2 = 2

2 is a prime number.

Step 4: Let check the answer by multiply those prime number we get the writing number 8.

8 = 2 × 2 × 2

Now you can see, each factor is name the prime number.

Answer: The prime factorization of 8 is 2 × 2 × 2 and the prime factor is the 2.