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15 and 9 are both odd, composite numbers less than 20.

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โˆ™ 2010-05-02 05:49:24
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Micheal Headley

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โˆ™ 2021-09-23 13:55:46

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Q: Which composite number is odd and smaller than 20?
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What are odd composite numbers?

An odd number is an integer that is not evenly divisible by 2. A composite number is a positive number that has divisors other than 1 and itself. So any odd number greater than 1 that is not prime would be a composite odd number. For example, 9, 15, 21, and 25 are odd composite number because the are odd and they have divisors. 1, 3, 5, and 7 are not composite because they are only divisible by 1 and themselves.


Can odd numbers be composite?

If an odd number has more than two factors then it is a composite number but if it has only two factors then it is a prime number. Although all prime numbers are odd except for 2 many more odd numbers are composite numbers having more than two factors as for example 21 is an odd number whose factors are 1, 3, 7 and 21.


Can you tell a prime or composite number by seeing if its odd or even?

You cannot. If a number is even - other than 2 - then it is a composite number. However, if it is odd, it is not easily possible to tell whether it is prime or composite.


Why can an odd number be composite?

Any positive integer with more than two factors is composite.


What is the prime number of 81 is it even or odd?

81 is an odd composite number.


Explain why 7654321 plus 5 is a composite number?

The first number is odd, the second is odd. Odd + Odd = Even ie the sum is even. Either number is greater than 2 so their sum is greater than 2. All even numbers greater than 2 are composite.


Is 35 an even number or odd number?

35 is an odd composite number


Is 21 a even number or a odd number?

21 is an odd composite number


Is 35 an even or odd number?

35 is an odd composite number


What is the smallest odd composite number?

A composite number is a number with more than 2 positive integer factors. The smallest such odd number is 9.


What are the composite odd numbers with factors?

It is impossible to list the infinite number of composite odd numbers.


What is the tenth odd number?

19 is the tenth odd number, And is not a composite number or even number.


Can a composite number be an odd number?

Yes


What number is 8069833725?

It is a composite odd number


Are odd numbers less than prime number?

No. Odd numbers can be greater than, smaller than, or equal to prime numbers.


Is 29 an odd number and composite?

29 is odd and prime.


What is the smallest odd number and composite number?

The smallest number that is both odd and composite is 9, which is divisible by 3. The odd numbers are 1, 3, 5, 7, 9, 11, ..., and 1, 3, 5, and 7 are all prime. It is 9 that is the smallest odd composite number.


What is an composite number that is odd?

9


What is an odd number in a composite?

9


An odd composite number?

9


Can a composite number be an odd?

yes


Is 735 a prime or composite number?

As an odd number ending with the digit 5, 735 is a composite number.


What Smallest odd number and composite number?

9


What type of number is 51?

A composite odd number


What is composite and prime in math?

A composite number has a partner.( Is an even number.) A prime number is a loner.( Is an odd number) :(

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