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What is the sum of 28 and the next two consecutive composite numbers?
The three composite numbers are 28, 30 and 32. Their sum is 90.
Is the sum of any two prime numbers always a composite number?
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
If you add a prime number to itself is the the sum composite or prime?
The sum of two prime numbers will be composite unless one of the prime numbers is 2.
Are composite numbers closed under addition?
No, they are not. You can add two composite numbers, 15 and 14 for example, and get a sum, 29, that is prime.
Is the sum of two prime numbers can be composite?
Not always, for example 2 + 3 = 5 where 5 is also a prime number.
What is the sum of 28 and the next two consecutive composite numbers?
The three composite numbers are 28, 30 and 32. Their sum is 90.
Is the sum of any two prime numbers always a composite number?
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
What is the term for the sum of two prime numbers?
composite
If you add a prime number to itself is the the sum composite or prime?
The sum of two prime numbers will be composite unless one of the prime numbers is 2.
Are composite numbers closed under addition?
No, they are not. You can add two composite numbers, 15 and 14 for example, and get a sum, 29, that is prime.
Is the sum of two prime numbers can be composite?
Not always, for example 2 + 3 = 5 where 5 is also a prime number.
What two composite numbers whose prime factors have a sum of 10?
4nd 9.
What are two composite numbers whose prime factors have a sum of 18?
65 and 77
What are two composite numbers that each have prime factors with the sum of 10?
21 and 32
Find two composite numbers whoose prime factors have a sum of 18?
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What are two composite numbers of 4 and 28?
Since 4 and 28 are composite numbers, then any of their multiples are also composite.
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.
