What Is the Sum of the First Four Composite Numbers?

The sum of the first four composite numbers is 42. The composite numbers are 4, 6, 8, and 10. Their sum is the product of their least common multiple (LCM) and their greatest common divisor (GCD).

The least common multiple of the four numbers is 120. The greatest common divisor of the four numbers is 2. The product of their LCM and GCD is 240.

The sum of the first four composite numbers is 42 because 240 / 2 = 120 and 120 / 4 = 30. 30 + 30 + 15 + 10 = 85. 85 / 2 = 42.5. The sum of the first four composite numbers is 42.

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The sum of the first four odd composite numbers is 128. This can be seen by inspection, or by adding up the odd composite numbers through 4:

1 + 9 + 25 + 49 = 84

+ 5 + 21 + 45 = 71

+ 3 + 15 + 33 = 51

+ 7 + 27 + 51 = 85

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128

The sum of the first four even composite numbers is 66. The first four even composite numbers are 4, 6, 8, and 10.

Composite numbers are integers that are not prime. A prime number is an integer that has only itself and 1 as divisors. For example, 2, 3, 5, 7, and 11 are prime, but 4, 6, 8, 9, and 10 are composite.

The first four even composite numbers are 4, 6, 8, and 10. 4 is composite because it has the divisors 2 and 2 (in addition to 1 and 4). 6 is composite because it has the divisors 2 and 3 (in addition to 1 and 6). 8 is composite because it has the divisors 2 and 4 (in addition to 1 and 8). 10 is composite because it has the divisors 2 and 5 (in addition to 1 and 10).

The sum of the first four even composite numbers is 66.

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What is the sum of the first four square composite numbers?

In mathematics, a square number is an integer that is the square of an integer. Composite numbers are numbers that have more than two factors. The first four square composite numbers are 4 (2 squared), 9 (3 squared), 16 (4 squared), and 25 (5 squared).

The sum of the first four square composite numbers is 54. This is because 4 + 9 + 16 + 25 = 54.

Square numbers are used in many different areas of mathematics, and they have a wide range of applications. For example, they can be used to represent area. That is why the sum of the first four square composite numbers is significant; it provides a quick way to calculate the area of a square.

In addition, square numbers can be used to solve problems involving angles and triangles. In particular, the sum of the squares of the two shorter sides of a right triangle is equal to the square of the length of the hypotenuse. This fact is known as the Pythagorean theorem.

As a result, the sum of the first four square composite numbers is not only significant in its own right, but it also has a number of applications in mathematics.

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The sum of the first four cube composite numbers is 204. The first four cube composite numbers are 64, 125, 216, and 343. These numbers are all composite because they are not prime numbers. A prime number is a number that is only divisible by itself and 1. A composite number is a number that is divisible by more than 1 and itself. The sum of the first four cube composite numbers is the result of adding all of these numbers together.

The sum of the first four composite numbers divisible by 3 is 36. The composite numbers divisible by 3 are 3, 6, 9, and 12. 3 + 6 + 9 + 12 = 36.

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What is the sum of the first four composite numbers divisible by 4?

4 is the smallest composite number divisible by 4. The next three composite numbers divisible by 4 are 8, 12, and 16. The sum of the first four composite numbers divisible by 4 is 4 + 8 + 12 + 16 = 40.

In mathematics, the sum of the first four composite numbers divisible by 5 is 65. This can be verified by using the definition of composite numbers and the division algorithm.

Composite numbers are positive integers that are not prime. The first four composite numbers divisible by 5 are 5, 10, 15, and 20. To find the sum of these numbers, we can use the division algorithm.

The division algorithm states that for any positive integer n, there exists a unique integer q and a unique non-negative integer r such that n = q × d + r and 0 ≤ r < d. In our case, we have n = 5, 10, 15, and 20. We can use the division algorithm to find the sum of these numbers as follows:

5 = 1 × 5 + 0 10 = 2 × 5 + 0 15 = 3 × 5 + 0 20 = 4 × 5 + 0

Therefore, the sum of the first four composite numbers divisible by 5 is 1 × 5 + 2 × 5 + 3 × 5 + 4 × 5 + 0 = 65.

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In arithmetic, the sum of the first four composite numbers divisible by 6 is 30.

Composite numbers are those that can be factored into the product of two or more positive integers. The first four composite numbers divisible by 6 are 6, 12, 18, and 24.

We can find the sum of the first four composite numbers divisible by 6 by adding them together.

6 + 12 + 18 + 24 = 60

Therefore, the sum of the first four composite numbers divisible by 6 is 60.