# what are the first 5 composite numbers

What are the first five composite numbers – Answers.com

First five composite numbers are 4, 6, 8, 9 and 10. Average for a set of numbers is obtained by adding all the numberand dividing the sum by number of values. Average = (4+6+8…+9+10)/5 = 37/5 = 7.2 The nearest whole to 7.2 is nearest to 7.

What is the sum of the first 5 composite numbers? – Answers

1+1+1+1+1+=5 * * * * * The question did not ask for the sum of the first counting number five times! The sum of the first 5 counting numbers is 1+2+3+4+5 = 15. Such sums… are known as triangular numbers.

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what are the first 5 composite numbers? | Yahoo Answers

Apr 21, 2011 · Find 5 composite (non prime) numbers btw 0 &200 , e/a of which is only divisible by itself & a prime number? Explain why 7*11*13+13 and 7*6*5*4*3*2*1+5 are composite numbers…

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What are the composite numbers from 1 to 100? – Quora

So, to answer the question “What are the composite numbers from 1 to 100?” for yourself, start with 1. Is it prime or composite? Neither. Hence, not composite. How about 2? Prime, hence not composite. 3? Prime, hence not composite. 4? 2*2, hence composite. Continue likewise for the rest of the integers in the 1–100 range.

Average of First 5 Composite Numbers – getcalc.com

The first 5 composite numbers 4, 6, 8, 9, 10 step 2 Find the sum of first 5 composite numbers 4 + 6 + 8 + 9 + 10 = 37 step 3 Divide the sum by 5 37/5 = 7.4 Thus, 7.4 is an average of first 5 …

what is the sum of the first 5 composite numbers? | Yahoo

Jul 08, 2013 · Best Answer: If I told you 37, would you know any more than you do now? What are you going to do when the next test asks for the sum of the first 6 composite number, or the first 4? Except for the number 1, all integers are either prime or composite.

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Composite number – Wikipedia

A number n that has more divisors than any x < n is a highly composite number (though the first two such numbers are 1 and 2). Composite numbers have also been called "rectangular numbers", but that name can also refer to the pronic numbers, numbers that …

Finding Prime and Composite Numbers – HelpingWithMath.com

All even numbers are divisible by two and so all even numbers greater than two are composite numbers. All numbers that end in five are divisible by five. Therefore all numbers that end with five and are greater than five are composite numbers. The numbers 0 and 1 are neither prime nor composite. If any whole number greater than 1 is not a prime number, then it is a composite number.

Prime Numbers and Composite Numbers – Math Is Fun

Dividing Into Equal Groups

Composite Number — from Wolfram MathWorld

A composite number n is a positive integer n>1 which is not prime (i.e., which has factors other than 1 and itself). The first few composite numbers (sometimes called

Prime and Composite Numbers

Example: The value six, 6, is a composite number because it has four counting number factors: 1, 2, 3, and 6. We have 1 · 6 = 6 and 2 · 3 = 6. It turns out that mathematicians have declared that 1 is neither prime nor composite.

What are the first 10 composite numbers – Brainly.com

The first ten composite numbers that are greater than 1 are 4,6,8,9,10,12,14,15,16 and 18. Hope this helped!

Prime and Composite Numbers – Math Goodies

Summary: A prime number has only two factors: 1 and itself. A composite number has more than two factors. The number 1 is neither prime nor composite. The prime numbers between 2 and 31 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 and 31 since each of these numbers has only two factors, itself and 1.

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Prime and Composite Numbers – Wonderopolis

COMPOSITE NUMBER: A whole number that has two or more factors. Example: 8 is considered composite because it has more than two factors that when multiplied together will equal 8. 1 x 8 and 2 x 4 both equal 8 The following chart lists all of the prime and composite numbers from 1 to 100.

Highly composite number – Wikipedia

A highly composite number, also known as an anti-prime, is a positive integer with more divisors than any smaller positive integer has. Because the prime factorization of a highly composite number uses all of the first k primes, every highly composite number must be a practical number.

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