**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 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 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. **