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Every square number (except 1) is composite. Prime numbers only have two factors, one and the numbers themselves. Since square numbers also have at least the square roots as factors, they have to be composite.

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โˆ™ 2014-06-24 03:55:32
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Q: Are all square numbers also composite numbers explain?
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Related questions

Are all numbers composite explain?

not all numbers are composite cause theres also prime numbers bro.


Are there any prime numbers that also square numbers give an example or explain why not.?

Square numbers can't be prime. They have too many factors.


Can you explain why some square numbers are odd numbers?

The square of any odd number is also an odd number for reasons that should be obvious.


Are there any prime numbers that are also square numbers give example and explain why not?

No, square numbers greater than 1 have more than two factors.


What are two composite numbers of 4 and 28?

Since 4 and 28 are composite numbers, then any of their multiples are also composite.


Give two composite numbers that are also prime numbers?

Greater than one, numbers are either composite or prime, never both.


What makes prime numbers and composite numbers related?

Prime numbers are related with composite numbers as they are both natural numbers and real numbers and also every composite number is a product of prime numbers due to which they are related with each other.For example 24=[2] [2] [3] [2].Here 24 is a composite number,real number and natural number and 2,2,3,2 are prime numbers and also they are real and natural numbers


Are all composite numbers also even numbers?

No, some composite numbers are odd. The smallest composite odd numbers are 9, 15, 21, 25, and 27. Not all even numbers are composite either. There's only one even number that's prime, which is 2.


Is the product of two composite numbers also a composite number?

Yes, of course. In fact the product of any two numbers is composite unless one of them is 1.


What is the sum of the first 5 composite numbers?

The first five composite numbers are 4, 6, 8, 9 and 10; and their sum is 37 also 28


What is the composite numbers that are also factors of 65?

The only composite number that is a factor of 65 is 65 itself.


Composite numbers have more than two of what?

Divisors. Primes are divisible by themselves, and one. Composite numbers also have other divisors.


What is the smallest composite number and is also a square of a prime number?

4, which is the square of the prime number 2, is the smallest composite number.


What is the sum of the first four composite numbers?

You can figure out the "composite numbers" from any table of primes - all the positive integers that are not prime numbers are composite (the number one should also be excluded). The first four composite numbers are:4, 6, 8, 9


Composite numbers between 25 and 40?

Composite numbers between 25 and 40 (excluding 25 and 40, which are also composite numbers), are: 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, and 39.


WhAT ARE three consecutive numbers that are also composite numbers?

8, 9, 10


Is 36 and 62 prime or composite?

They are both composite because they are even. They are composite numbers because 36 can be formed by 6x6 and 72 can be formed by 6x6x2. Since prime numbers means that they are only divisible by 1 and itself, the numbers are not prime numbers. Also, any number greater than 1 is either a composite or prime number, so they are composite numbers.


What 26 and30?

They are two composite numbers and they add up to 56 which is also a composite number


Is 81a composite number or a prime number?

81 is a composite number and it is also a square number


Are all numbers with a 0 in the ones place a composite numbers?

Yes. All numbers with 0 in the one's column are composite, having at least the factors of 1, 2, 5, and itself. The number 0 is also composite, having all numbers as factors.


Is the addition of two composite numbers also a composite number?

Not necessarily. For example 15 and 16 are composite numbers. They add to 31, which is a prime number. Similarly, the composite numbers 20 and 21 add up to 41, which is a prime number.


Do composite numbers include 1 and itself?

No, those are prime numbers. Composite numbers can have besides 1 and itself. For example, let's say the number is 35. You can multiply 1 and 35, but you can also say 5 multiplied by 7. That is composite.


What are the composite numbers that are also factors of 22?

The only composite number that is a factor of 22 is 22 itself.


How you can tell if a number is composite?

Try dividing by some numbers. The larger the number, the more numbers you have to divide by. It is enough to test division by 2, and all the odd numbers up to the square root of the number. For very large numbers, this is not efficient. There are more efficient methods, but they are also more difficult to understand.


Is the sum of two composite numbers also composite?

Not always as for example 20+9 = 29 which is a prime number