# What is the sum of first 8 multiples of 3?

Are you still looking for how to calculate the sum of first 8 multiples of 3? Take a look at this article, here will introduce a calculator and 2 methods, which allow you to quickly calculate the sum of first 8 multiples of 3.

## 1. Sum of first 8 multiples calculator

This method is suitable for all people, especially those without professional knowledge. It is strongly recommended to use this method.

Sum Result:
Multiples Numbers list:

Just enter the multiple of 3 into the input box, and then click the calculation button. In the blink of an eye, the calculator will figure out the sum of first 8 multiples of 3 is 108.

In addition, you will get 3 useful information:

• 1The first number of first 8 multiples of 3 is 3.
• 2The last number of first 8 multiples of 3 is 24.
• 3The average of first 8 multiples of 3 is 13.5.

If the number you want to calculate is not the top 8, you can use our other calculator: Sum of First N Multiples Calculator.

## 2. Basic method

This is the most basic method. First, calculate the first 8 multiples of 3, and then add up the calculated values.

### List of first 8 multiples of 3

• 13 * 1 = 3
• 23 * 2 = 6
• 33 * 3 = 9
• 43 * 4 = 12
• 53 * 5 = 15
• 63 * 6 = 18
• 73 * 7 = 21
• 83 * 8 = 24

Add up these 8 numbers

3 + 6 + 9 + 12 + 15 + 18 + 21 + 24 = 108

It can be seen that the sum of first 8 multiples of 3 is 108, which is consistent with the result calculated by the first method.

## 3. Common divisor method

Since these 8 numbers are all multiples of 3, 3 is the common divisor of these 8 numbers. We can first extract the common divisor 3, and then calculate the sum of these 8 numbers which are divided by the common divisor 3. Finally, multiply the sum by 3 to get the sum of first 8 multiples of 3.

Because these numbers are first 8 multiples of 3, after extracting the common divisor 3, these 8 numbers are 1 to 8. Now, calculate the sum of 1 to 8.

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36

Next, multiply the sum by 3

36 * 3 = 108

The answer came out. The sum of first 8 multiples of 3 is 108, which is consistent with the first and second methods.

Alright, the three methods are introduced. Please leave a message to tell me which method is more suitable for you?

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