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# If you add a prime number to it self is the sum composite or prime?

Updated: 11/23/2022

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Q: If you add a prime number to it self is the sum composite or prime?
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Composite.

Composite.

### 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.

### 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.

composite

### Is 267 prime or composite?

267 is a composite number - since the digits of the number add up to a multiple of three, it is divisible by 3. Its prime factorization is 3 x 89 = 267.

### Is prime number less that 9 is equivalent to composite numbers less than 12?

You may mean: 3 and 5 are prime numbers that add up to the composite number of 8

### Is 327 a prime or composite number?

If you add the digits together, you get 12. Since 12 is divisible by 3, 327 is also divisible by 3.

### Is 7 a composite number or prime?

Prime. It is only divisible by itself and one.

### Can you add 6 prime numbers and get a composite number?

As long as 2 is not one of the primes that you are adding, then I can guarantee that you will get a composite. 2 is the only even prime number. Any time you add two odd numbers together, you will get an even number (which is not prime). So if you add them in pairs, you will have three even numbers, which added together result in an even number, so it is composite. If you throw in 2 as one of the primes that you're adding, then your result is odd, and I don't know what else to say about your result.

838

### How many district composite numbers can be formed by adding 2 of the first prime numbers?

The first two prime numbers add up to another prime number.