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Is the sum of a prime number and a composite number always even?
No, the sum of a prime number and a composite number is not always even.
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 sum of the smallest prime number and what is the greatest composite number less that ten explain your answer?
2 is the smallest prime number. 9 is the greatest composite number less than 10. The sum of 2 and 9 is 11.
What is the sum of the smallest prime number and the greatest composite number less than 10?
It is: 2+9 = 11
What is the sum of two composites?
The sum of two composite numbers is always a composite number or an even prime number. Composite numbers are integers greater than one that have at least one divisor other than one and themselves, meaning they can be formed by adding two composite numbers, which typically results in another composite. For example, adding 4 (a composite) and 6 (another composite) gives 10, which is also composite. However, the only exception occurs when the sum is 2, which is prime, though that situation is impossible with two composites since the smallest composite number is 4.
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.
If you add a prime number to itself is the sum composite or prime?
Composite.
If you add a prime number to itself is the sum prime or composite?
Composite.
What is the sum of the composite numbers that are less than 8?
The sum of the composite numbers that are less than 8 is: 4+6 = 10
Is 693 a prime or composite number?
693 can be divided by 3 ==> composite number. This is an easy prime because if you make a sum of all the digits: 6 + 9 + 3 = 18, if you can devide this sum by 3 than you can also divide the original number by 3.
Is 68 the sum a prime number?
No, it is composite.
Is the sum of prime number and a composite number always even?
No.
