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# Is the sum of any two prime numbers always a composite number?

Updated: 4/28/2022 Wiki User

11y ago

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. Wiki User

11y ago  Study guides

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## What is the prime factorization of 954

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Q: Is the sum of any two prime numbers always a composite number?
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Still have questions?  Related questions

### When is product of 2 prime numbers a prime number?

The product of two prime numbers is always a composite number, and it never is a prime number.

### Why will a prime number times a prime number always equal a composite number?

the two prime numbers will be factors of that number, which would make that number a composite number

### Are all composite numbers the product of two prime number?

No not always because composite numbers can be the product of 2 or more prime factors

Yes

### Is 76 composite or prime?

76 is a composite number. All even numbers, except for 2, are always going to be composite. A prime number is a number that can only be multiplied by 1.

### To find a composite number why divide by prime numbers?

You could try dividing by composite numbers but the number that you are testing is divisible by a composite number, then it will be divisible by a prime factor of that composite number and that prime factor will be smaller. It is always easier to work with smaller numbers.

### Can you change composite numbers to prime numbers?

No, You can't change a composite number to prime number.

### Name the two composite numbers that are prime?

No composite numbers are prime. A composite number is a number that can be made by multiplying other numbers. A prime number is made only by one and itself. Therefore no number can be both prime and composite

### Does the prime factorization of any composite number include prime and composite numbers?

Prime factorization never includes a composite number. All numbers in prime factorization must be prime numbers.

That is correct.

### Is 308 a prime or composite number?

it is a composite number because you can tell from the 8 that it is an even number, and even numbers can always be divided.

### Prime is writing a composite number as a product of prime numbers?

Prime factorization is writing a composite number as a product of prime numbers.