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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.
What else can I help you with?
Is 44 a prime or composite?
7 TIMES 7 = 49 THAT MEANS IT IS COMPOSTIVE A composite number
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
Is 4 a composite number or prime number?
It's neither of them because -4 is not a natural number and prime or composite numbers are a subset of natural numbers i.e. only natural numbers can be classified as prime or composite numbers.
How is six a composite number?
6 is a composite number because in addition to 1 and itself, 2 and 3 are also factors of 6.
What 26 and30?
They are two composite numbers and they add up to 56 which is also a composite number
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.
Is 18 composite or a prime?
18 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
Is 111 prime or composite number?
It's a composite - it can be divided by 3.
Are all square numbers also composite numbers explain?
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.
Are 121 264 and 144 prime or composite?
Composite Numbers121, 264 and 144 are composite numbers. It's easy to determine that 264 and 144 are composite because both are even numbers that are divisible by 2. Since that means that they are divisible by at least one number in addition to "1 and itself," they are composite.121 appears like it might be prime, but 11 times 11 equals 121. Since 11 is a factor of 121, it is also a composite number.
What is the composite numbers that are also factors of 65?
The only composite number that is a factor of 65 is 65 itself.
What are the composite numbers that are also factors of 22?
The only composite number that is a factor of 22 is 22 itself.
